PLEASE HELP! According to Mediamark Research, Inc. 86% of all U.S. households in 2007 owned at least one cellular phone. In a simple random sample of 300 households, what is the standard deviation of households

PLEASE HELP! According to Mediamark Research, Inc. 86% of all U.S. households in 2007 owned at least one cellular phone. In a

simple random sample of 300 households, what is the standard deviation of households that own at least one cellular
phone? Round to the nearest tenth.

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PLEASE HELP! According to Mediamark Research, Inc. 86% of all U.S. households in 2007 owned at least one cellular phone. In a simple random sample of 300 households, what is the…

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