In a random sample of size 2400 420 have the characteristic, Basic Statistics

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In a random sample of size 2400 420 have the characteristic

Question: In a random sample of size 2,400, 420 have the characteristic of interest.

a. Compute the sample proportion p^{^} with the characteristic of interest.

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

c. Construct a 90% confidence interval for the population proportion p.

d. Construct a 99% confidence interval for the population proportion p.

e. Comment on why one interval is longer than the other.

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Basic Statistics: In a random sample of size 2400 420 have the characteristic

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Basic Statistics: In a random sample of size 2400 420 have the characteristic

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