Basic Computation: Confi dence Interval for p Consider n 5 100 binomial trials with r 5 30

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Basic Computation: Confi dence Interval for p Consider n 5 100 binomial trials with r 5 30 successes.

(a) Check Requirements Is it appropriate to use a normal distribution to approximate the pˆ distribution?

(b) Find a 90% confi dence interval for the population proportion of successes p.

(c) Interpretation Explain the meaning of the confi dence interval you computed.

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Understanding Basic Statistics

ISBN: 9781305548893

7th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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