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An online retailer would like to know whether the proportion of customers who visit the site and make a purchase is different than 50%. A
An online retailer would like to know whether the proportion of customers who visit the site and make a purchase is different than 50%. A simple random sample of customers is taken. The results of the sample are shown below. Customer sample What is the population parameter? made a purchase 45 Observations 120 Pick v Confidence Level 99% Critical value -2.58 What condition for using a z-distribution is met? test statistic (z) -2.74 Pick v p-value 0.006 What is the level of significance? Ex: 0.12 What is the null hypothesis Hy? Pick v What is the alternative hypothesis H,? Pick v Should Hy be rejected or does Hy fail to be rejected? Pick v What conclusion can be drawn from the data? Pick v evidence exists to support the claim that the number of customers who visit the site and make a purchase is not 50%
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