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In a certain candy store, 22% of the customers are caught sa
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11 Oct 2013, 02:09
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65% (hard)
Question Stats:
62% (02:16) correct 38% (02:05) wrong based on 166 sessions
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In a certain candy store, 22% of the customers are caught sampling the candy and are charged a small fine, but 12% of the customers who sample the candy are not caught. What is the total percent of all customers who sample candy?
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11 Oct 2013, 02:17
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tk1tez7777 wrote:
In a certain candy store, 22% of the customers are caught sampling the candy and are charged a small fine, but 12% of the customers who sample the candy are not caught. What is the total percent of all customers who sample candy?
A) 22% B) 23% C) 24% D) 25% E) 34%
Since 12% of the customers who sample the candy are not caught, then 88% of the customers who sample the candy are caught:
{% of customers who sample candy}*0.88 = 0.22; {% of customers who sample candy} = 0.25.
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13 Oct 2013, 04:07
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eladavid wrote:
What is the best way to calculate this question? I tried to aproximate and i ended up with a wrong answer. only afterwords i noticed that 22 is one quarter of 88.
It's quite easy:
{% of customers who sample candy}*0.88 = 0.22 --> {% of customers who sample candy} = 22/88 = 1/4.
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10 Apr 2014, 00:54
tk1tez7777 wrote:
In a certain candy store, 22% of the customers are caught sampling the candy and are charged a small fine, but 12% of the customers who sample the candy are not caught. What is the total percent of all customers who sample candy?
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14 Apr 2014, 02:08
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vikrantgulia wrote:
I am little bit confused in this question.Would you please elaborate the explanation more clearly.
Lets say we have 100 customer in store. 12% sample the candy but didn't caught. So, 88% customer caught sampling the candy. I didn't get after this.
Please explain.
Lets say Total = 100 Sample................................... .............................. Dont Sample x......................................................................... 100-x
\(\frac{12x}{100} =\)Not Caught, means
\(\frac{88x}{100} =\)Caught Sampling
Given that 22% of the customers are caught sampling the candy, i.e
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23 Jun 2015, 20:09
Hi All,
The presentation in this question is relatively rare on Test Day - the logic most often appears in Overlapping Sets questions (but the wording is a bit more straight-forward). The idea here is essentially about "groups within groups"...
From the prompt we know that there are 3 different types of people....
Those who do NOT sample candy Those who SAMPLE AND are CAUGHT Those who SAMPLE but are NOT CAUGHT
The percents that we're given refer to the latter 2 groups....we can TEST VALUES to clarify the logic:
22% of customers are caught sampling candy - this refers to 22% of ALL CUSTOMERS....
IF Total customers = 100 22%(100) = 22 customers SAMPLE AND are CAUGHT.
Next, we're told that 12% of those WHO SAMPLE are NOT CAUGHT. This is NOT 12% of everyone; it's 12% of those who SAMPLE.
TOTAL WHO SAMPLE = X = (those CAUGHT) + (those NOT CAUGHT)
X = 22 + .12(X)
From here, we can combine like terms and solve for X....
.88X = 22 X = 22/.88 = 1/.04 = 25
Thus, 25 out of the original 100 SAMPLE candy. Since that is what the question is focused on, 25% is the answer.
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09 Mar 2016, 20:50
i used the total number of clients = 100 now..22 sampling and fined suppose X is the number of clients who sample 0.12x are not fined. it means that 22 = 0.88x now.. x=22*100/88 = 25
so 25 people are sampling. since we have 100 customers, 25 of them would represent 25%
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07 Jul 2016, 19:45
Good question. I made the mistake of sorting information too mechanically by dividing the customers into Sample/Did not sample and Caught/ Not Caught categories. I completely missed the fact that there was no one who would did not sample but got caught.. Once I saw it, I realized that the "22% of the customers are caught sampling the candy and are charged a small fine" is in fact 22% of total customers.
Because "12% of the customers who sample the candy are not caught", 88% of customers who sample are caught. That 88% is 22% of total customers, so 100% of people who sample is 22%*100%/88%= 25% of total customers.
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09 Aug 2017, 07:33
tk1tez7777 wrote:
In a certain candy store, 22% of the customers are caught sampling the candy and are charged a small fine, but 12% of the customers who sample the candy are not caught. What is the total percent of all customers who sample candy?
A) 22% B) 23% C) 24% D) 25% E) 34%
22% of the overall customers are caught sampling candy and are fined. 12% of the customers who sample candy are not caught. So, 88% of the customers who sample candy are caught.
So, total percentage of all customers of sample candy = 22/.88 = 22*100/88 = 25 %
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62% (02:16) correct 
