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 (

naivlingr

naivlingr

Answered question

2021-06-06

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 1003 U.S. adults, 451 believe that for a person to be considered truly American, it is very important that he or she share American customs and traditions.

Answer & Explanation

smallq9

smallq9

Skilled2021-06-07Added 106 answers

(a)p=0.4497,q=0.5503
(b)90% confidence interval: (0.4239, 0.4755)
95% confidence interval: (0.4189, 0.4805)
(c)The 95% confidence interval is wider than the 90% confidence interval.

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