Independent random samples, each containing 800 observations, were selected from two binomial populations. The samples from populations
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Independent random samples, each containing 800 observations, were selected from two binomial populations. The samples from populations 1 and 2 produced 320 and 400 successes, respectively.
a. Test HI): (p, - p2) = 0 against Ha: (p, - p2) # 0.
Use cu = .05.
b. Test H,,: (pl - p,) = 0 against Ha: (p, - p,) Z 0.
Use cu = .01.
c. Test HI): (p, - p2) = 0 against Ha: (p, - p,) < 0.
Useu = .01.
d. Form a 90% confidence interval for (p, - p,).
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Related Book For 
Statistics For Business And Economics
ISBN: 9780130272935
8th Edition
Authors: James T. McClave, Terry Sincich, P. George Benson
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