confidence interval a
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:If n 560 and p 0.5, construct a 90% confidence interval about the population proportion. Round
your answers to three decimal places.
4
Preliminary:
a. Is it safe to assume that n< 0.05 of all subjects in the population?
O No
OYes
b. Verify np (1-P) > 10. Round your answer to one decimal place.
np (1-P) =
Confidence Interval: What is the 90% confidence interval to estimate the population proportion?
Round your answer to three decimal places.
<p<
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