(c) What would you use for the null and alternate hypotheses if you believe the average shopping time is more than 4.5 minutes? O Hoi H = 4.5; H;i H > 4.5 O Hoi H = 4.5; Hại µ z 4.5 O Hoi H = 4.5; Hại H <4.5 O Hại H > 4.5; Hại: H = 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O left-tailed right-tailed O two-tailed (d) What would you use for the null and alternate hypotheses if you believe the average shopping time is different from 4.5 minutes? O Hoi H = 4.5; H;i H > 4.5 O Hoi H = 4.5; Hzi H < 4.5 O Hoi H = 4.5; Hại µ z 4.5 O Hoi H # 4.5; Hgi µ = 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed
(c) What would you use for the null and alternate hypotheses if you believe the average shopping time is more than 4.5 minutes? O Hoi H = 4.5; H;i H > 4.5 O Hoi H = 4.5; Hại µ z 4.5 O Hoi H = 4.5; Hại H <4.5 O Hại H > 4.5; Hại: H = 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O left-tailed right-tailed O two-tailed (d) What would you use for the null and alternate hypotheses if you believe the average shopping time is different from 4.5 minutes? O Hoi H = 4.5; H;i H > 4.5 O Hoi H = 4.5; Hzi H < 4.5 O Hoi H = 4.5; Hại µ z 4.5 O Hoi H # 4.5; Hgi µ = 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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How much customers buy is a direct result of how much time they spend in the store. A study of average shopping times in a large national houseware store gave the following information (Source: Why We Buy: The Science of Shopping by P. Underhill).
Women with female companion: 8.3 min.
Women with male companion: 4.5 min.
Women with male companion: 4.5 min.
Stores that sell mainly to women should figure out a way to engage the interest of men! Perhaps comfortable seats and a big TV with sports programs. Suppose such an entertainment center was installed and you now wish to challenge the claim that a woman with a male friend spends only 4.5 minutes shopping in a houseware store.
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