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To be considered for inclusion in the Barbizon Film Festival, a film m

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To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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To be considered for inclusion in the Barbizon Film Festival, a film must belong either to the category of drama or of comedy. Drama always receives more submissions but has a lower acceptance rate than comedy. All of the films are either foreign or domestic. This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films. Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

From the cited facts it can be properly concluded that

A. significantly fewer foreign films than domestic films were accepted

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas

C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies

D. the majority of the domestic films submitted were submitted as comedies

E. the majority of the foreign films submitted were submitted as dramas
[Reveal] Spoiler: OA

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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Film belongs to drama or comedy. Films can be subdivided into domestic and foreign.

Drama (Submissions) > Comedy(Submissions)
Drama (Acceptance Rate) < Comedy(Acceptance Rate)

This year:

Domestic films (Acceptance Rate) > Foreign films (Acceptance Rate) --> If foreign films had submitted more drama movies than domestic films, foreign films would have lower acceptance rate.

A. significantly fewer foreign films than domestic films were accepted - Incorrect - The passage provides information only about acceptance rate. So we do not have the exact numbers to infer this option.

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas - Correct - More foreign drama films than domestic drama films were submitted. Hence foreign films had a lower acceptance rate than domestic films.

C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies - Incorrect - Cannot be inferred. We only know that the category wise rate of acceptance was same for domestic and foreign films was same.

D. the majority of the domestic films submitted were submitted as comedies - Incorrect - This need not be true. Even if comedy domestic films submitted were very low and all were accepted, the acceptance rate for comedy films will be 100%.

E. the majority of the foreign films submitted were submitted as dramas - Incorrect - Majority were dramas. Minority were comedies. All comedies will be accepted. Overall acceptance rate can still be high.

Answer: B

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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shasadou wrote:
To be considered for inclusion in the Barbizon Film Festival, a film must belong either to the category of drama or of comedy. Drama always receives more submissions but has a lower acceptance rate than comedy. All of the films are either foreign or domestic. This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films. Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

From the cited facts it can be properly concluded that

A. significantly fewer foreign films than domestic films were accepted

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas

C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies

D. the majority of the domestic films submitted were submitted as comedies

E. the majority of the foreign films submitted were submitted as dramas


Hi,

lets break down the argument..


Two types of films - Drama (D) and Comedy(C).......
Two regions- Foreign(F) and Domestic/Local(L)...............

More movies compete in D, but D has a lower acceptance rate -\(\frac{accepted}{Total}\)....
L had a higher acceptance rate than F..
and Both L and F had same Acceptance Rate(AR) across the D and C that is AR of \(L_D\)= AR of \(F_D\) and AR of\(L_C\) = AR of \(F_C\)...

MAIN point - We are talking of RATE and NOT numbers..
Our conclusion has to be talking of RATIO. We cannot comment on Numbers


We have to find the conclusion?

Lets see the statements-



A. significantly fewer foreign films than domestic films were accepted
We are discussing on acceptance rate and NOT numbers

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas
Yes, here the conclusion is talking of ratio ..
lets work on the statement: Since the acceptance ratio is same for both across D and C, If both had equal numbers in both, the acceptance rate would be the SAME for both.
AR of \(L_D\)= AR of \(F_D\) and AR of\(L_C\) = AR of \(F_C\)......But AR of C>AR of D...
so the proportion of F in D has to be more to have a lesser AR


C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies
We require to compare between L and F and NOT just \(F_D\) and \(F_C\)

D. the majority of the domestic films submitted were submitted as comedies
Again we are talking of numbers and not ratio

E. the majority of the foreign films submitted were submitted as dramas
Again we are talking of numbers and not ratio

B
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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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chetan2u wrote:
shasadou wrote:
To be considered for inclusion in the Barbizon Film Festival, a film must belong either to the category of drama or of comedy. Drama always receives more submissions but has a lower acceptance rate than comedy. All of the films are either foreign or domestic. This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films. Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

From the cited facts it can be properly concluded that

A. significantly fewer foreign films than domestic films were accepted

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas

C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies

D. the majority of the domestic films submitted were submitted as comedies

E. the majority of the foreign films submitted were submitted as dramas


Hi,

lets break down the argument..


Two types of films - Drama (D) and Comedy(C).......
Two regions- Foreign(F) and Domestic/Local(L)...............

More movies compete in D, but D has a lower acceptance rate -\(\frac{accepted}{Total}\)....
L had a higher acceptance rate than F..
and Both L and F had same Acceptance Rate(AR) across the D and C that is AR of \(L_D\)= AR of \(F_D\) and AR of\(L_C\) = AR of \(F_C\)...

MAIN point - We are talking of RATE and NOT numbers..
Our conclusion has to be talking of RATIO. We cannot comment on Numbers


We have to find the conclusion?

Lets see the statements-



A. significantly fewer foreign films than domestic films were accepted
We are discussing on acceptance rate and NOT numbers

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas
Yes, here the conclusion is talking of ratio ..
lets work on the statement: Since the acceptance ratio is same for both across D and C, If both had equal numbers in both, the acceptance rate would be the SAME for both.
AR of \(L_D\)= AR of \(F_D\) and AR of\(L_C\) = AR of \(F_C\)......But AR of C>AR of D...
so the proportion of F in D has to be more to have a lesser AR


C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies
We require to compare between L and F and NOT just \(F_D\) and \(F_C\)

D. the majority of the domestic films submitted were submitted as comedies
Again we are talking of numbers and not ratio

E. the majority of the foreign films submitted were submitted as dramas
Again we are talking of numbers and not ratio

B


This is one of the trickiest question. I got wrong in the exam though. I am trying to answer as per below.
This year collection.

Domestic Foreign


Drama Comedy Drama Comedy


Submission

100 100 200 200

Acceptance Rate

10 50 10 50

Total Acceptance Rate for Domestic Films : 60/100*100 = 60%
Total Acceptance Rate for Foreign Films : 60/200*100 = 30%

Hence Answer is B.

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 07 Jan 2017, 13:57
Reading the prompt, one can imply that the proportion of Comedy:Drama was higher for domestic than foreign films. Only B Properly addresses this error. D and E hit on the same topic, but are traps as they contain extreme language than you cannot infer "The Majority"

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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Really tough question.
It is B. The calculation is done in the attached file.
Am I correct?
Attachments

Capture.PNG
Capture.PNG [ 15.2 KiB | Viewed 4424 times ]


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To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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shasadou wrote:
To be considered for inclusion in the Barbizon Film Festival, a film must belong either to the category of drama or of comedy. Drama always receives more submissions but has a lower acceptance rate than comedy. All of the films are either foreign or domestic. This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films. Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

From the cited facts it can be properly concluded that
A. significantly fewer foreign films than domestic films were accepted
B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas
C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies
D. the majority of the domestic films submitted were submitted as comedies
E. the majority of the foreign films submitted were submitted as dramas

Mo2men wrote:
Dear Mike,

I wish you could share your thoughts in solving an OG-CR question. It's conclusion type. It is important to see your process of thinking to solve this kind of question, if I face in exam.

Thanks in advance for you support.

Dear Mo2men,

I'm happy to respond. :-)

First of all, there are so many stipulations in this question, this is one of the exceedingly few questions on which I might recommend taking a blind guess and moving on, in the interest of time. There are many moving parts to this question, and this complexity makes it confusing and time-consuming.

This set-up is similar to an idea in statistics known as Simpson's Paradox. The basic gist in this situation is

1) Within each category, drama and comedy, the acceptance rate for domestic films was the same as that for foreign films.
Thus, the acceptance rate in each group is the same. We know, though, that it still be a low acceptance rate in dramas and a higher acceptance rate in comedies.

2) ... the overall acceptance rate for domestic films was significantly higher than that for foreign films.
The overall rate is different from in-category rate (as in Simpson's paradox). This happens because a larger proportion of the domestic films were comedies, where the acceptance rate was much higher, and a larger proportion of the foreign films were drama, where the acceptance rate is smaller. Thus, a higher proportion of comedies would be accepted and a higher proportion of the dramas would be rejected.

For example, I just whipped up these numbers (fractions show "accepted" over "submitted"):
Attachment:
Barbizon Film Festival ratios.png
Barbizon Film Festival ratios.png [ 19.87 KiB | Viewed 4286 times ]

Notice that the number of submission for drama is higher overall.
I made the acceptance rate for dramas only 1%, and the acceptance rate for comedies 100%.
Many more of the domestic films are in comedy, with the big acceptance rate.
Many more the foreign films are in drama, with the tiny acceptance rate.
This does the trick.

Does this logic make sense?
Mike :-)
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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 25 Jan 2017, 18:21
Thanks Mike for your help.

I will follow your advice in this kind of questions.

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 16 Apr 2017, 19:40
mikemcgarry wrote:
shasadou wrote:
To be considered for inclusion in the Barbizon Film Festival, a film must belong either to the category of drama or of comedy. Drama always receives more submissions but has a lower acceptance rate than comedy. All of the films are either foreign or domestic. This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films. Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

From the cited facts it can be properly concluded that
A. significantly fewer foreign films than domestic films were accepted
B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas
C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies
D. the majority of the domestic films submitted were submitted as comedies
E. the majority of the foreign films submitted were submitted as dramas

Mo2men wrote:
Dear Mike,

I wish you could share your thoughts in solving an OG-CR question. It's conclusion type. It is important to see your process of thinking to solve this kind of question, if I face in exam.

Thanks in advance for you support.

Dear Mo2men,

I'm happy to respond. :-)

First of all, there are so many stipulations in this question, this is one of the exceedingly few questions on which I might recommend taking a blind guess and moving on, in the interest of time. There are many moving parts to this question, and this complexity makes it confusing and time-consuming.

This set-up is similar to an idea in statistics known as Simpson's Paradox. The basic gist in this situation is

1) Within each category, drama and comedy, the acceptance rate for domestic films was the same as that for foreign films.
Thus, the acceptance rate in each group is the same. We know, though, that it still be a low acceptance rate in dramas and a higher acceptance rate in comedies.

2) ... the overall acceptance rate for domestic films was significantly higher than that for foreign films.
The overall rate is different from in-category rate (as in Simpson's paradox). This happens because a larger proportion of the domestic films were comedies, where the acceptance rate was much higher, and a larger proportion of the foreign films were drama, where the acceptance rate is smaller. Thus, a higher proportion of comedies would be accepted and a higher proportion of the dramas would be rejected.

For example, I just whipped up these numbers (fractions show "accepted" over "submitted"):
Attachment:
Barbizon Film Festival ratios.png

Notice that the number of submission for drama is higher overall.
I made the acceptance rate for dramas only 1%, and the acceptance rate for comedies 100%.
Many more of the domestic films are in comedy, with the big acceptance rate.
Many more the foreign films are in drama, with the tiny acceptance rate.
This does the trick.

Does this logic make sense?
Mike :-)


Hi Mike, can you help clear up the reasoning for eliminating D and E? This was one of 6 I got wrong and it's bugging the hell out of me!

As an aside, do you think the actual verbal is a notch tougher than the GMATPrep verbal?

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 23 May 2017, 10:12
Cez005 wrote:
Hi Mike, can you help clear up the reasoning for eliminating D and E? This was one of 6 I got wrong and it's bugging the hell out of me!

As an aside, do you think the actual verbal is a notch tougher than the GMATPrep verbal?

Dear Cez005,

I'm happy to respond. :-)

The prompt presents paradoxical conditions:
1) Drama always receives more submissions but has a lower acceptance rate than comedy.
2) This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films.
3) Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

Again, it helps to understand Simpson's Paradox to sort through this. Here's the funny thing about (D) and (E): one or the other of them has to be true in order to make the paradox work, but individually, neither one has to be true.

Look at my chart above:
For a counterexample for (D), multiply both fractions in the "drama" column by 5/5--or 10/10. (This requires that (E) be true.)
For a counterexample for (E), multiply both fractions in the "comedy" column by 10/10--or 20/20. (This requires that (D) be true.)

By forcing either one to be false, we force the other one to be true. That's very tricky: one of the two absolutely must be true, but neither one by itself has to be true!

This is a very very hard GMAT Prep question. I think this would be on par with a very very hard questions on the real GMAT. I think statistically, there's no difference in difficulty: it's just that real live test conditions produce all kinds of stress than don't exist when you are in your living room doing GMAT Prep. See:
Lower on the Real GMAT than on Practice Tests

Does all this make sense?
Mike :-)
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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 30 May 2017, 17:12
Experts please let me know if my reasoning is correct.

The last portion of the stimulus mentions that 'the overall acceptance rate for domestic films was significantly higher than that for foreign films' and that 'Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.'. If we imagine a balance then proportion of foreign films has to increase. There is only one option which mentions high proportion of foreign films - Option B. I know this is not a fool proof reasoning but can i rely on this in the interest of time?

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 30 May 2017, 18:06
shrijeet1990 wrote:
Experts please let me know if my reasoning is correct.

The last portion of the stimulus mentions that 'the overall acceptance rate for domestic films was significantly higher than that for foreign films' and that 'Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.'. If we imagine a balance then proportion of foreign films has to increase. There is only one option which mentions high proportion of foreign films - Option B. I know this is not a fool proof reasoning but can i rely on this in the interest of time?



I am certainly not an expert here, but I wouldn't rely on banking the fact that one aspect of your conclusion is mentioned in the answer as being a good way to reach the correct answer quickly. However, I do think that your "balance" idea is good here. You can view this problem as a weighted average problem if you would like, doing so might help you reach B.

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 30 May 2017, 23:52
Is this an official OG question?

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To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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shasadou wrote:
To be considered for inclusion in the Barbizon Film Festival, a film must belong either to the category of drama or of comedy. Drama always receives more submissions but has a lower acceptance rate than comedy. All of the films are either foreign or domestic. This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films. Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

From the cited facts it can be properly concluded that

A. significantly fewer foreign films than domestic films were accepted

B. a higher proportion of the foreign than of the domestic films submitted were submitted as dramas

C. the rate of acceptance of foreign films submitted was the same for dramas as it was for comedies

D. the majority of the domestic films submitted were submitted as comedies

E. the majority of the foreign films submitted were submitted as dramas


In this type of questions, all one has to mainly do is, coherently put together the pieces of information in one place

Three pieces of information given:

1. Drama gets more submissions but has lower acceptance rate
2. Overall acceptance rate for domestic films is significantly higher than that for foreign films
3. Within each category the acceptance rate for domestic and foreign films is the same

The best way to proceed is to draw a matrix and try to accommodate values consistent with all of the info. It is ok even if you get decimals as the math is only important.

See which of the choices can be falsified. What cannot be quickly falsified is best left alone for the moment . Proceed to the other choices. You will get to the right choice or to two choices in the worst case, the latter needing a change in the values.
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Re: To be considered for inclusion in the Barbizon Film Festival, a film m [#permalink]

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New post 07 Jul 2017, 08:05
mikemcgarry wrote:
Cez005 wrote:
Hi Mike, can you help clear up the reasoning for eliminating D and E? This was one of 6 I got wrong and it's bugging the hell out of me!

As an aside, do you think the actual verbal is a notch tougher than the GMATPrep verbal?

Dear Cez005,

I'm happy to respond. :-)

The prompt presents paradoxical conditions:
1) Drama always receives more submissions but has a lower acceptance rate than comedy.
2) This year, the overall acceptance rate for domestic films was significantly higher than that for foreign films.
3) Within each category, drama and comedy, however, the acceptance rate for domestic films was the same as that for foreign films.

Again, it helps to understand Simpson's Paradox to sort through this. Here's the funny thing about (D) and (E): one or the other of them has to be true in order to make the paradox work, but individually, neither one has to be true.

Look at my chart above:
For a counterexample for (D), multiply both fractions in the "drama" column by 5/5--or 10/10. (This requires that (E) be true.)
For a counterexample for (E), multiply both fractions in the "comedy" column by 10/10--or 20/20. (This requires that (D) be true.)

By forcing either one to be false, we force the other one to be true. That's very tricky: one of the two absolutely must be true, but neither one by itself has to be true!

This is a very very hard GMAT Prep question. I think this would be on par with a very very hard questions on the real GMAT. I think statistically, there's no difference in difficulty: it's just that real live test conditions produce all kinds of stress than don't exist when you are in your living room doing GMAT Prep. See:
Lower on the Real GMAT than on Practice Tests

Does all this make sense?
Mike :-)


Dear mikemcgarry

Thanks for your help and support. It turns out that this question is really tough question. However, GMAC admitted that both answer choices B & E are correct answers. This was proved by David from Veritas and he published his analysis along with GMAC's reply to him and hence will be removed from the new update of the GMAT Prep software.

http://www.beatthegmat.com/tough-og-cr- ... tml#795005


I hope the above could help others in this question.

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Re: To be considered for inclusion in the Barbizon Film Festival, a film m   [#permalink] 07 Jul 2017, 08:05
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