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# In yesterday s council election a majority of voters

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Retired Moderator
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In yesterday s council election a majority of voters  [#permalink]

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05 Feb 2013, 21:15
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45% (medium)

Question Stats:

68% (02:12) correct 32% (02:20) wrong based on 694 sessions

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In yesterday’s council election a majority of voters supported conservative candidates, and a majority of voters supported candidates who voted in favor of the antipollution act. Therefore, it must be that a majority of voters in yesterday’s council election supported conservative candidates who voted in favor of the antipollution act.
Which one of the following is an argument that contains flawed reasoning most similar to the flawed reasoning in the argument above?

(A) Bill claims that soil can be damaged if it is tilled when it is too wet, and Sue claims that seeds planted in wet soil can rot. Therefore, if both claims are true, gardeners who till and plant their gardens when the soil is wet damage both their soil and their seeds.
(B) According to Sara, most children like pies. According to Robert, most children like blueberries. So if Sara and Robert are both right, it must be that most children like pies that contain blueberries.
(C) Mark will go on a picnic today only if it does not rain. Susan will go on a picnic today only if Mark goes too. Since it is not going to rain today, both Mark and Susan will go on a picnic.
(D) The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant’s most frequently ordered dishes.
(E) Most people living at Gina’s house cook well. Since most people at Gina’s house enjoy eating well-cooked meals, most meals served at Gina’s house are cooked well.

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Re: In yesterday’s council election a majority of voters  [#permalink]

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05 Feb 2013, 22:14
1
1
In yesterday’s council election a majority of voters supported conservative candidates, and a majority of voters supported candidates who voted in favor of the antipollution act. Therefore, it must be that a majority of voters in yesterday’s council election supported conservative candidates who voted in favor of the antipollution act.
Which one of the following is an argument that contains flawed reasoning most similar to the flawed reasoning in the argument above?

(A) Bill claims that soil can be damaged if it is tilled when it is too wet, and Sue claims that seeds planted in wet soil can rot. Therefore, if both claims are true, gardeners who till and plant their gardens when the soil is wet damage both their soil and their seeds.
(B) According to Sara, most children like pies. According to Robert, most children like blueberries. So if Sara and Robert are both right, it must be that most children like pies that contain blueberries.
(C) Mark will go on a picnic today only if it does not rain. Susan will go on a picnic today only if Mark goes too. Since it is not going to rain today, both Mark and Susan will go on a picnic.
(D) The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant’s most frequently ordered dishes.
(E) Most people living at Gina’s house cook well. Since most people at Gina’s house enjoy eating well-cooked meals, most meals served at Gina’s house are cooked well.

The stimulus contains two parallel events. The author concludes that since the two are parallel events, they must be related to each other.
Only B showcases such a flawed reasoning.
E is incorrect because the intent with which the conclusion draws basis on the premises is not equal to that of the question. But still, E is also a good choice but B is far better.
In reasoning questions, the best way is to understand the argument. The stimulus contains three "most"s, so any full "certainity" in any of the choice is wrong. A and C are wrong.
D introduces another kind of reasoning and hence incorrect.
+1B
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Re: In yesterday’s council election a majority of voters  [#permalink]

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08 Feb 2013, 13:31
Quote:
(D) The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant’s most frequently ordered dishes.

is the reasoning in this answer flaw?
In my opinion is correct but I'm not sure.
What do you think?
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Joined: 09 Oct 2012
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Re: In yesterday’s council election a majority of voters  [#permalink]

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08 Feb 2013, 13:32
Quote:
(D) The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant’s most frequently ordered dishes.

is the reasoning in this answer flaw?
In my opinion is correct but I'm not sure.
What do you think?
Manager
Joined: 17 Aug 2015
Posts: 99
Re: In yesterday s council election a majority of voters  [#permalink]

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12 Jan 2016, 05:20
IanSolo wrote:
Quote:
(D) The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant’s most frequently ordered dishes.

is the reasoning in this answer flaw?
In my opinion is correct but I'm not sure.
What do you think?

In my opinion this is flawed as well. The reason is that we cannot generalize based on the sales from customers who eat most regularly. What if other customers who don't eat regularly order chicken wings most of the times. That may have another contender
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Re: In yesterday s council election a majority of voters  [#permalink]

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12 Jan 2016, 10:03
1
ajdse22 wrote:
IanSolo wrote:
In my opinion this is flawed as well. The reason is that we cannot generalize based on the sales from customers who eat most regularly. What if other customers who don't eat regularly order chicken wings most of the times. That may have another contender

We have to look at which answer is flawed in a similar manner to the original argument, not just which one is flawed. The original statement said that most people support A and most people support B. Therefore, A must = B. The only option that sets up an argument in a similar manner is B.
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Re: In yesterday s council election a majority of voters  [#permalink]

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21 Nov 2016, 20:14
took me 2 mins

Most like A. Most like B. Hence Most like A who is related to B in some manner or A that contains B.

Option B
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Re: In yesterday s council election a majority of voters  [#permalink]

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17 Apr 2017, 08:38
I cannot choose any option under 2 min; and I take E for my answer, and I was wrong.
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In yesterday s council election a majority of voters  [#permalink]

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05 Mar 2018, 04:39
In yesterday’s council election a majority of voters supported conservative candidates, and a majority of voters supported candidates who voted in favor of the antipollution act. Therefore, it must be that a majority of voters in yesterday’s council election supported conservative candidates who voted in favor of the antipollution act.
Which one of the following is an argument that contains flawed reasoning most similar to the flawed reasoning in the argument above?

(B) According to Sara, most children like pies. According to Robert, most children like blueberries. So if Sara and Robert are both right, it must be that most children like pies that contain blueberries.

X(majority)--> Y( voted conservatives) & X(majority)--> Z(antipollution laws)
so Z is a subset of Y

parallel structure:option B
X(majority of children) --> Y(like pies) & X(majority of children)--> Z(blueberries)
so Z is a subset of Y
i.e blueberries are contained in pies.

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In yesterday s council election a majority of voters  [#permalink]

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28 Feb 2019, 03:46
Hello,

Can someone provide insight about why B is correct and not E?

Thank you!
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In yesterday s council election a majority of voters  [#permalink]

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23 Apr 2019, 04:49
KHow wrote:
Hello,

Can someone provide insight about why B is correct and not E?

Thank you!

KHow

Quote:
In yesterday’s council election a majority of voters supported conservative candidates, and a majority of voters supported candidates who voted in favor of the antipollution act. Therefore, it must be that a majority of voters in yesterday’s council election supported conservative candidates who voted in favor of the antipollution act.

Which one of the following is an argument that contains flawed reasoning most similar to the flawed reasoning in the argument above?

Premise: …a majority (over 50%) of voters supported conservative candidates…
Premise: ….a majority (over 50%) of voters supported candidates who voted in favor of the antipollution act.
Conclusion: …a majority (over 50%) of voters supported conservative candidates who voted in favor of the antipollution act.

Notice the “majority…majority…majority” construction. And that premise 1 supports X, premise 2 supports Y, and concludes that therefore as a whole the majority supports both X and Y.

Quote:
(A) Bill claims that soil can be damaged if it is tilled when it is too wet, and Sue claims that seeds planted in wet soil can rot. Therefore, if both claims are true, gardeners who till and plant their gardens when the soil is wet damage both their soil and their seeds.

Quote:
(B) According to Sara, most children like pies. According to Robert, most children like blueberries. So if Sara and Robert are both right, it must be that most children like pies that contain blueberries.

“Most…most…most”. Similar reasoning. Hold!

Quote:
(C) Mark will go on a picnic today only if it does not rain. Susan will go on a picnic today only if Mark goes too. Since it is not going to rain today, both Mark and Susan will go on a picnic.

Not the same reasoning as the stimulus.

Quote:
(D) The majority of customers who regularly eat at this restaurant always order both fish and stuffed mushrooms. Thus, fish and stuffed mushrooms must be the restaurant’s most frequently ordered dishes.

This answer choice starts off fine, but fails to offer the second premise. So it fails.

Quote:
(E) Most people living at Gina’s house cook well. Since most people at Gina’s house enjoy eating well-cooked meals, most meals served at Gina’s house are cooked well.

This is tempting with the “most…most…most” but if we look carefully the reasoning is different. It starts of saying that “most people at Gina’s house do X” then “most people at Gina’s house enjoy Y”. It concludes that “most meals served are cooked well” when we are looking for a conclusion that describes “cooking well” and “eating well-cooked meals”….not about meals served.
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In yesterday s council election a majority of voters   [#permalink] 23 Apr 2019, 04:49
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