9.28 A random sample of women is obtained, and each person in the sample is asked if
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9.28 A random sample of women is obtained, and each person in the sample is asked if she would purchase a new shoe model. The new shoe model would be successful in meeting corporate profit objective if more than 25% of the women in the population would purchase this shoe model. The following hypothesis test can be performed at a level of a = 0.03 using pn as the sample proportion of women who said yes.
H0 : P … 0.25 H1 : P 7 0.25 What value of the sample proportion, pn, is required to reject the null hypothesis, given the following sample sizes?
a. n = 400
c. n = 625
b. n = 225
d. n = 900
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Related Book For
Essential Mathematics And Statistics For Science
ISBN: 9780470694480
2nd Edition
Authors: Graham Currell, Dr. Antony Dowman
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