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Statistics / Mathematical Statistics with Applications 7 / Chapter 10 / Problem 24E

Mathematical Statistics with Applications | 7th Edition | ISBN: 9780495110811 | Authors: Dennis Wackerly; William Mendenhall; Richard L. Scheaffer

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A study by Children’s Hospital in Boston indicates that

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QUESTION:

Problem 24E

A study by Children’s Hospital in Boston indicates that about 67% of American adults and about 15% of children and adolescents are overweight.4 Thirteen children in a random sample of size 100 were found to be overweight. Is there sufficient evidence to indicate that the percentage reported by Children’s Hospital is too high? Test at the α = 0.05 level of significance.

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QUESTION:

Problem 24E

A study by Children’s Hospital in Boston indicates that about 67% of American adults and about 15% of children and adolescents are overweight.4 Thirteen children in a random sample of size 100 were found to be overweight. Is there sufficient evidence to indicate that the percentage reported by Children’s Hospital is too high? Test at the α = 0.05 level of significance.

ANSWER:

Step 1 of 2

Point estimator:

Null hypothesis:

Alternative hypothesis:

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