According to a survey, only 15% of customers who visited the web site of a major...
According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. What is the probability that a random sample of 50 will have at least 30% of customers who will make a purchase after visiting the web site?
a. 0.9985
b. 0.4984
c. 0.0016
d. 0.9984
e. 0.0015
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