Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use

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Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of error of 3 percentage points and use a confidence level of 99%.

a. Assume that pn and qn are unknown.

b. Assume that 22% of adults can wiggle their ears (based on data from Soul Publishing).

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Elementary Statistics

ISBN: 9780136803201

14th Edition

Authors: Mario F. Triola

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Question Posted: Jan 13, 2023 08:25 AM

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Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use

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Elementary Statistics

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