PLEASE ANSWER ALL QUESTIONS.

Start 1 An online retailer has a new website and would like to compare the proportion of customers who made a purchase 2 from the old website versus the proportion who made a purchase from the new website to see if the two proportions are different. A simple random sample of customers visiting the old and new websites is taken. The results are shown below. Old site New site Successes 158 Successes 57 Observations 350 Observations 159 p-hat_1 0.451 p-hat_2 0.358 P = Ex: 1.234 Confidence Level 99% z-score 1.47 p-value 0.142 -3 -2 -1 0 1 3 z = Ex: 1.234 Z = Old site samples: n1 = Ex: 9 New site samples: n2 = Sample proportion for old site samples: p1 = Ex: 1.234 Sample proportion for new site samples: p2 =