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kntombat
Hey Sajjad1994, can you share the OE for the second question ?

I got this "An alarm system was installed at the store in November." wrong, I would love to know where I went wrong?

Thanks.
­Exactly if 3 robberies happened in last 7 months as of effective  10 th April , then the first robbery should have taken place in october and then after 60 days second robbery happened so that should be december , That's when according to store manager the alarm systerm was installed. I think his answers are wrong majority of time and there is no clear cut explanation
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rmahe11

kntombat
Hey Sajjad1994, can you share the OE for the second question ?

I got this "An alarm system was installed at the store in November." wrong, I would love to know where I went wrong?

Thanks.
­Exactly if 3 robberies happened in last 7 months as of effective  10 th April , then the first robbery should have taken place in october and then after 60 days second robbery happened so that should be december , That's when according to store manager the alarm systerm was installed. I think his answers are wrong majority of time and there is no clear cut explanation
­Hi,

This is a very interesting scenario.

If today is 10th Apr, then
  1. 1 month back it would have been 10th Mar.
  2. 2 months back it would have been 10th Feb.
  3. 3 months back it would have been 10th Jan.
  4. 4 months back it would have been 10th Dec.
  5. 5 months back it would have been 10th Nov.
  6. 6 months back it would have been 10th Oct.
  7. 7 months back it would have been 10th Sep.



So,
  • the first robbery would have taken place on 10th September of the previous year.
  • the second robbery would have taken place on 10th November of the previous year.
  • the alarm would have been installed by 17th November of the previous year.

Hope that helps.


Regards,
Kanupriya Sharma

 ­
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Can you please help with question 3: The alarm company’s phone call to the police lasted less than 45 seconds. ?

The phone call has to be 30s right? If its beyond 30s like 45s then the store manager wouldve reached the place in 3min 45 seconds and not 3min 30 s?

egmat
rmahe11

kntombat
Hey Sajjad1994, can you share the OE for the second question ?

I got this "An alarm system was installed at the store in November." wrong, I would love to know where I went wrong?

Thanks.
­Exactly if 3 robberies happened in last 7 months as of effective 10 th April , then the first robbery should have taken place in october and then after 60 days second robbery happened so that should be december , That's when according to store manager the alarm systerm was installed. I think his answers are wrong majority of time and there is no clear cut explanation
­Hi,

This is a very interesting scenario.

If today is 10th Apr, then
  1. 1 month back it would have been 10th Mar.
  2. 2 months back it would have been 10th Feb.
  3. 3 months back it would have been 10th Jan.
  4. 4 months back it would have been 10th Dec.
  5. 5 months back it would have been 10th Nov.
  6. 6 months back it would have been 10th Oct.
  7. 7 months back it would have been 10th Sep.



So,
  • the first robbery would have taken place on 10th September of the previous year.
  • the second robbery would have taken place on 10th November of the previous year.
  • the alarm would have been installed by 17th November of the previous year.

Hope that helps.


Regards,
Kanupriya Sharma

­
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reyrest
Can you please help with question 3: The alarm company’s phone call to the police lasted less than 45 seconds. ?

The phone call has to be 30s right? If its beyond 30s like 45s then the store manager wouldve reached the place in 3min 45 seconds and not 3min 30 s?

I thought of it this way: The store manager reached the spot after 3 minutes and 30 seconds when the robbers broke in. The police reached the spot a little after that. That means the police took a little over 3 minutes and 30 seconds to reach the spot after the incident happened.

If I imagine that police rushed at the speed of light, they took a minimum of 3:30 minutes on the phone.
On the contrary, the call can last for 10 secs, 20 secs anything right? We are not sure about the duration of the call the police had. So we cannot infer it.

I hope this helps.
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Quote:
The attachment contradicts the store manager.

The total losses of the first robbery were $58,194. The total losses of the second robbery were $17,507. This is a percent change of 58,194−17,50758,194
58
,
194

17
,
507
58
,
194
, or 69.9%, which confirms the store manager’s claim that the reduction in losses was “nearly 70 percent.”

The answer is False.

Sajjad1994

Shouldn't the answer be TRUE, since it is approx 70% ?
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I have no doubt that the answer to 3.2 will be :NO. But I could not understand your logic "The store manager’s email states that he or she missed the robber by 30 seconds. This means that the alarm company’s phone call to the police (whom they called first) lasted at least 30 seconds". I could not understand how it must be more than 30 second. Please explain.
Sajjad1994
Official Explanation

STEP 1: ANALYZE THE INFORMATION

Email #1—CEO to store manager

  • 3 robberies
  • Assumes manager’s security measures had no effect/weren’t done.
  • Problem: What to tell the insurance company?

Email #2—Store manager to CEO

  • After 1st robbery, moved inventory, cutting losses in 2nd robbery.
  • After 2nd robbery, had alarm installed—but robber was fast.
  • After 2nd robbery, moved more inventory, cutting losses in 3rd robbery.

Attachment to email 2—Value of stolen goods in 1st vs. 2nd robbery

  • As manager claims, much less overall was stolen in 2nd robbery.

STEP 2: APPROACH STRATEGICALLY

1. If the manager’s estimates are correct and if the tripods stolen in the third robbery account for 15 percent of the value of the stolen inventory, then the value of the stolen tripods is closest to

The store manager’s email states that there was an estimated 40% reduction in losses from the second robbery to the third. The total losses of the second robbery were about $18,000, so the losses of the third robbery were about $18,000 × 60%, or about $11,000. Then 15% of that is about $1,650, which is closest to (C).

2. For each of the following statements, select True if the statement can be verified to be true assuming that the information in the emails (but not necessarily the attachment) is accurate. Otherwise, select False.

An alarm system was installed at the store in November.

The CEO’s message states that the first robbery was exactly seven months ago and that the second robbery happened 60 days later. The current day is April 10, so the first robbery happened around September 10 and the second on November 10. The store manager’s email states that the alarm was installed within a week of the second robbery, so there was indeed an alarm installed in November.

The answer is True.

Upon being reached by phone, the store manager can make it to the store in under five minutes.

According to the second email, the store manager missed the robber by 30 seconds. Since the robber was in and out in 3 minutes, the maximum time it could have taken for the store manager to reach the store was 3 minutes 30 seconds.

The answer is True.

The attachment contradicts the store manager.

The total losses of the first robbery were $58,194. The total losses of the second robbery were $17,507. This is a percent change of \(\frac{58,194-17,507}{58,194}\), or 69.9%, which confirms the store manager’s claim that the reduction in losses was “nearly 70 percent.”

The answer is False.

3. For each of the following statements, select Yes if the statement can be reasonably inferred from the emails and the attachment. Otherwise, select No.

The robbery could have been prevented if the store manager had installed shatterproof windows.

There’s no information in the tabs about how the robber broke into the store. Thus, there’s no way to tell whether shatterproof windows would have made any difference.

The answer is No.

The alarm company’s phone call to the police lasted less than 45 seconds.

The store manager’s email states that he or she missed the robber by 30 seconds. This means that the alarm company’s phone call to the police (whom they called first) lasted at least 30 seconds, but there’s no way to tell whether that call was longer or shorter than 45 seconds.

The answer is No.

The value of the lenses stolen in the third robbery is less than that of the second robbery.

According to the store manager, the total losses of the third robbery are 40% less than those of the second robbery. However, the store manager doesn’t say that the losses are proportional in all categories. It’s possible that decreases in losses for other goods compensated for an increase in losses for lenses.

The answer is No.
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kartickdey
I have no doubt that the answer to 3.2 will be :NO. But I could not understand your logic "The store manager’s email states that he or she missed the robber by 30 seconds. This means that the alarm company’s phone call to the police (whom they called first) lasted at least 30 seconds". I could not understand how it must be more than 30 second. Please explain.


The emails only tell us this: the robber stayed 3 minutes, the police arrived 4 minutes after the alarm, and the manager got there less than 30 seconds after the robber left. None of that fixes how long the alarm company talked to the police. The call could have been 10 seconds or 2 minutes and the story would still work, so we cannot infer “at least 30 seconds.”
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