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President Biden is proposing health care reform and wants to know how many people he...

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President Biden is proposing health care reform and wants to know how many people he needs to survey in Massachusetts to see if they favor his reform package and he wants to be 99% certain with the an error of .02a) If no previous survey is available, how many people do his pollsters need to interview?b) If a prelim study found 62% of Mass residents favor his plan, how many people does he need to survey?

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