Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of error of 2 percentage points and use a confidence level of 99%. Complete parts (a) and (b) below. a. Assume that p and q are unknown. (Round up to the nearest integer.) b. Assume that 22% of adults can wiggle their ears. n= (Round up to the nearest integer.) C

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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 2 percentage points and use a confidence level of 99%. Complete parts (a) and (b) below.
a. Assume that p and q are unknown.
n=
(Round up to the nearest integer.)
b. Assume that 22% of adults can wiggle their ears.
n=
(Round up to the nearest integer.)
Transcribed Image Text:Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of error of 2 percentage points and use a confidence level of 99%. Complete parts (a) and (b) below. a. Assume that p and q are unknown. n= (Round up to the nearest integer.) b. Assume that 22% of adults can wiggle their ears. n= (Round up to the nearest integer.)
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