NinetyFour wrote:
praveengmat wrote:
The table gives three factors to be considered when choosing an Internet service provider and the percent of the 1,200 respondents to a survey who cited that factor as important. If 30 percent of the respondents cited both "user-friendly" and "fast response time", what is the maximum possible number of respondents who cited "bargain prices", but neither "user-friendly" nor "fast responsetime"?
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A. 312
B. 336
C. 360
D. 384
E.420
A. 312
B. 336
C. 360
D. 384
E.420
I got the answer without fully understanding how I got it. Could someone explain what I did right/what I did wrong?
To maximize the # of people who only cited bargain prices we need to assume the number of people who cited bargain prices + 1 other factor to be 0.
So we have 56% User Friendly (UF), 48% Fast time (F), 42% Bargain prices (b)
We also know that UF&F = 30. We, however, do not know B&UF&F. We can make this value
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Statistics : Posted by GMATCoachBen • on 11 Aug 2010, 11:49 • Replies 15 • Views 31333