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(Solved by Expert Tutors) Suppose the U.S. president wants an estimate of the proportion of>


the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.05 of the true proportion. Assume a 99 percent level of confidence. The president's political advisors estimated the proportion supporting the current policy to be 0.65. (Round up your answers to the next whole number.)(a) How large of a sample is required?(b) How large of a sample would be necessary if no estimate were available for the proportion that support current policy?

 


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Apr 19, 2020

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