Question: A study conducted by a TV station showed the number of televisions per household and the corresponding probabilities for each. Find the mean, variance, and

A study conducted by a TV station showed the number of televisions per household and the corresponding probabilities for each. Find the mean, variance, and standard deviation.

If you were taking a survey on the programs that were watched on television, how many program diaries would you send to each household in the survey?

Number of televisions X 4 Probability P(X) 0.32 0.5 0.12 0.05

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