Let p be the population proportion for the situation. (a) Find point estimates of p and q, (b) construct 90% and 95% confidence intervals for p, and (

postillan4

postillan4

Answered question

2021-06-23

Let p be the population proportion for the situation. (a) Find point estimates of p and q, (b) construct 90% and 95% confidence intervals for p, and (c) interpret the results of part (b) and compare the widths of the confidence intervals. In a survey of 1035 U.S. adults, 745 say they want the U.S. to play a leading or major role in global affairs.

Answer & Explanation

BleabyinfibiaG

BleabyinfibiaG

Skilled2021-06-24Added 118 answers

(a)p=0.7198,q=0.2802
(b)90% confidence interval: (0.6968, 0.7428)
95% confidence interval: (0.6924, 0.7472)
(c)The 95% confidence interval is wider than the 90% confidence interval.

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