If n = 420 and p = 0.55, construct a 95% confidence interval about the population proportion. Round your answers to three decimal places. Preliminary: a. Is it safe to assume that n ≤ 0.05 of all subjects in the population? Yes No b. Verify np (1 - p) ≥ 10. Round your answer to one decimal place. np (1 - p) = Confidence Interval: What is the 95% confidence interval to estimate the population proportion? Round your answer to three decimal places. < p <

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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If n = 420 and p
0.55, construct a 95% confidence interval about the population proportion. Round
your answers to three decimal places.
Preliminary:
=
a. Is it safe to assume that ʼn ≤ 0.05 of all subjects in the population?
Yes
No
b. Verify nô (1 − p) ≥ 10. Round your answer to one decimal place.
np (1 - p)
=
Confidence Interval: What is the 95% confidence interval to estimate the population proportion? Round
your answer to three decimal places.
< p <
Transcribed Image Text:If n = 420 and p 0.55, construct a 95% confidence interval about the population proportion. Round your answers to three decimal places. Preliminary: = a. Is it safe to assume that ʼn ≤ 0.05 of all subjects in the population? Yes No b. Verify nô (1 − p) ≥ 10. Round your answer to one decimal place. np (1 - p) = Confidence Interval: What is the 95% confidence interval to estimate the population proportion? Round your answer to three decimal places. < p <
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