An April 2004 article on HearTheIssues.com stated that Americans have an average of 2.24 televisions per household

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An April 2004 article on HearTheIssues.com

stated that Americans have an average of 2.24 televisions per household (source: Nielsen Media Research).

If the standard deviation for the number of televisions in a U.S. household is 1.2 and a random sample of 80 American households is selected, the mean of this sample belongs to a sampling distribution.

a. What is the shape of this sampling distribution?

b. What is the mean of this sampling distribution?

c. What is the standard deviation of this sampling distribution?

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