Confidence interval for the proportion of all adults

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Reference no: EM131813514

Question: In a random sample of 900 adults, 42 defined themselves as vegetarians.

a. Give a point estimate of the proportion of all adults who would define themselves as vegetarians.

b. Verify that the sample is sufficiently large to use it to construct a confidence interval for that proportion.

c. Construct an 80% confidence interval for the proportion of all adults who would define themselves as vegetarians.

Reference no: EM131813514

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