Hypothesis Testing for one sample proportions: 35% of employed earn > $15K/year

Dbull

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Dec 4, 2018
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Wilburt reads that in his country 35% of the employed earn more than $15,000 per year. He wants to see if the claim is accurate, so he mails out 500 questionnaires to people chosen at random. He gets back 100 replies; 80 of them report incomes of more than $15,000. interpret his results. He plans to test at the 0.05 significance level.
 
Wilburt reads that in his country 35% of the employed earn more than $15,000 per year. He wants to see if the claim is accurate, so he mails out 500 questionnaires to people chosen at random. He gets back 100 replies; 80 of them report incomes of more than $15,000. interpret his results. He plans to test at the 0.05 significance level.

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