A random sample of 84 shoppers were interviewed and 51 said prefe to shop alone

Question

A random sample of 84 shoppers were interviewed and 51 said prefe to shop alone rather someone such as friends or family Find a 90% confidence interval for P Denise is aprofessional swimmer who trains in part by running She would to estimale the averade numder of miles she run each week for a random sample of 20 week. the mean is = 17.5 miles with standand devisand s= 3.8 miles. Find a 99% confidence interval for the population number of weekty miles Denise runs Arandom sample of 84 shoppers were interviewed and 51 said they perfer to shop alone rather then with someone such as friend or family Let p represent the proportion of all shoppers at this mall who wold prefer to shop alone. Find a piont estimate for p

Explanation / Answer

Question 5: (d) 0.61

Question 6: (a) 0.52 to 0.70

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