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Only about 18% of all people can wiggle their ears. Is this percent higher for millionaires? Of the 350 millionaires surveyed, 74 could wiggle their

Only about 18% of all people can wiggle their ears. Is this percent higher for millionaires? Of the 350 millionaires surveyed, 74 could wiggle their ears. What can be concluded at the

= 0.10 level of significance?

Find the Z- test statistic and p value?

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