Question: A population proportion is .40. A sample of size 200 will be taken and the sample proportion will be used to estimate the population proportion.

A population proportion is .40. A sample of size 200 will be taken and the sample proportion will be used to estimate the population proportion.

a. What is the probability that the sample proportion will be within ±.03 of the population proportion?

b. What is the probability that the sample proportion will be within ±.05 of the population proportion?

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