According to CTIA, 41% of all U.S. households are wireless-only households. In a simple random sample of

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According to CTIA, 41% of all U.S. households are wireless-only households. In a simple random sample of 300 households, determine the mean and standard deviation number of wireless-only households.

Approach This is a binomial experiment with n = 300 and p = 0.41. Use Formula (2) to find the mean and standard deviation, respectively.

Formula 2

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