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6. According to CTIA, 41% of all U.S. households are wireless-only households. a. (3 pts) In a simple random sample of 300 households, determine the

6. According to CTIA, 41% of all U.S. households are wireless-only households. a. (3 pts) In a simple random sample of 300 households, determine the mean and standard deviation number of wireless-only households. (Round standard deviation to one decimal place) b. (3 pts) In a simple random sample of 300 households, 143 were wireless-only. Is this result unusual? Justify your

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