Question
Determining the Minimum Sample Size. You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the -.1 population
Determining the Minimum Sample Size.
You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the -.1 population proportion is approximately p = 27%. You would like to be 95% confident that your estimate is within 5% the true population proportion.
How large of a sample size is required?
n =?
Determining the Minimum Sample Size.
You want to obtain a sample to estimate a population proportion. You have no reasonable estimate for the population-proportion p. You would like to construct a 95% confidence interval so that your interval estimate is within 2% of the • true population proportion.
How large of a sample size is required?
n =?
Step by Step Solution
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There are 3 Steps involved in it
Step: 1
a Given p 027 Sample size Z 2 2 p 1p E 2 Where E is margin of ...
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Step: 2
Step: 3
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Elementary Statistics
Authors: Mario F. Triola
12th Edition
0321836960, 978-0321836960
