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A researcher wants to estimate a population proportion with a 90% level of confidence. From previous studies she estimates that the population proportion is no more than .30. The researcher wants the estimate to have an error of no more than .02. The necessary sample size is at least

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Answered by SecretReader

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A researcher wants to estimate a population proportion with a 90% level of confidence. From previous studies she estimates that the population proportion is no more than .30. The researcher wants the estimate to have an error of no more than .02. The necessary sample size is at least _______. Select one: a. 1421 b. 29 c. 47 d. 298

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Answered by aartiA

Answer:

1421

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