According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. Random samples of size 40 are selected. What is the probability that a random sample of 40 will have at least 30% of customers who will make a purchase after visiting the web ?site 0.0450 O 0.0039 O 0.0015 O non of the above O

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. Random samples of size 40 are
selected. What is the probability that a random sample
40 will have at least 30% of customers who will make a purchase after visiting the web
?site
0.0450 O
0.0039 O
0.0015 O
non of the above O
Transcribed Image Text:According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. Random samples of size 40 are selected. What is the probability that a random sample 40 will have at least 30% of customers who will make a purchase after visiting the web ?site 0.0450 O 0.0039 O 0.0015 O non of the above O
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