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.

MADE A PURCHASE-45

OBSERVATIONS-120

CONFIDENCE LEVEL-99%

CRITICAL LEVEL- -2.58

TEST STATISTIC(Z)- -2.74

P-VALUE- 0.006

What is the level of significance?

What is the null hypothesis H0?

What is the alternative hypothesis Ha?

Should H0 be rejected or does H0 fail to be rejected?

What conclusion can be drawn from the data?

What is the population parameter?

What condition for using a z-distribution is met?

evidence exists to support the claim that the number of customers who visit the site and make a purchase is not 50%.