Question: I need help with this Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of

I need help with this Find the sample size needed to

I need help with this

Find the sample size needed to estimate the percentage of adults who can wiggle their ears. Use a margin of error of 5 percentage points and use a condence level of 90%. Complete parts (a) and 01) below. 3. Assume that p and a 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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