A random sample of size 150 taken from a population yields a proportion equal to 0.35. a.

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A random sample of size 150 taken from a population yields a proportion equal to 0.35.

a. Determine if the sample size is large enough so that the sampling distribution can be approximated by a normal distribution.

b. Construct a 90% confidence interval for the population proportion.

c. Interpret the confidence interval calculated in part b.

d. Produce the margin of error associated with this confidence interval.

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Business Statistics A Decision Making Approach

ISBN: 9780136121015

8th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith

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Question Posted: Sep 21, 2024 10:03 AM

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A random sample of size 150 taken from a population yields a proportion equal to 0.35. a.

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Business Statistics A Decision Making Approach

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