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Pay your taxes: According to the Internal Revenue Service, the proportion of federal tax returns for which no tax was paid was p = 0.326 . As part of a tax
audit, tax officials draw a simple random sample of = 120 tax returns. Use the TI-84 Plus calculator as needed.

What is the probability that the sample proportion of tax returns for which no tax was paid is less than 0.31 ?


Sagot :