According to a survey, only 18% of customers who visited the web site of a major retail store made a purchase. Random samples of size 80 are selected. What is the probability that the sample proportion will have between 15% and 20% of customers who will make a purchase after visiting the web site?
According to a survey, only 18% of customers who visited the web site of a major retail store made a purchase. Random samples of size 80 are selected. What is the probability that the sample proportion will have between 15% and 20% of customers who will make a purchase after visiting the web site?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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According to a survey, only 18% of customers who visited the web site of a major retail store made a purchase. Random samples of size 80 are selected.
What is the probability that the sample proportion will have between 15% and 20% of customers who will make a purchase after visiting the web site?
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