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SAT, 08.12.2021 01:00 hellodarkness14
A recent survey concluded that the proportion of american teenagers who have a cell phone is 0. 27. The true population proportion of american teenagers who have a cell phone is 0. 29. For samples of size 1,000 that are selected at random from this population, what are the mean and standard deviation, respectively, for the sampling distribution of the sample proportion of american teenagers who have a cell phone?.
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A recent survey concluded that the proportion of american teenagers who have a cell phone is 0. 27....
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