please reformulated hypothesis (null and alternative) HO: proportion of women wi
ID: 3320370 • Letter: P
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please reformulated hypothesis (null and alternative)
HO: proportion of women with college degree is the same as that of proportion of women with no college degree. H1: proportion of women with college degree is not the same from the proportion of women with no college degree. Confidence level = 0.05 Two tailed test HO:P-23 H1:P#23 Z-critical value 1.96 (23*8/23 +23.15/23) (23+23)=0.5 Square root [(23+23)/23 23]/0.15 Z-[(8/23 15/23)]/0.15-2.03 There is enough evidence to reject HO proportion of women with college degree is the same of proportion of women with no college degree HO: proportion of women with green eyes is equal to the proportion of men with green eyes H1: proportion of women with green eyes is not equal to the proportion of men with green eyes. H0: P- 3/23-0.1304 H1: P# 4/39-0, 1026 Confidence level 0.0s Two tailed test Z1.96 0.1304-0.1026/square root(0.1304)(1-0.1304)/23 (0.1026)(1-0.1026)/39-0.334 Z-0.33441.96 Do not reject HO fail to reject There is no sufficient evidence of rejecting HO. HO: the proportion of women with political affiliation as democrat is same as the proportion of women with political affiliation as republicanExplanation / Answer
(a)
H0: The proportion of women with college degree is the same as that of proportion of women with no college degree.
H1: The proportion of women with college degree is different from the proportion of women with no college degree.
H0: p1 = p2
H1 : p1 p2
(b) H0: The proportion of women with green eyes is the same as the proportion of men with green eyes.
H1: The proportion of women with green eyes is different from the proportion of men with green eyes.
H0: p1 = p2
H1 : p1 p2
(c) H0: The proportion of women with political affiliation as Democrat is the same as the proportion of women with political affiliation as Republican.
H1: The proportion of women with political affiliation as Democrat is different from the proportion of women with political affiliation as Republican.
H0: p1 = p2
H1 : p1 p2
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