Given the accompanying table, the random variable x represents the number of televisions in a household in a certain country. Determine whether or not the table is a probability distribution. (answer: YES or NO) Find the mean ( one decimal place) Find the variance (two decimal places) Find the standard deviation (one decimal place.)

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Q: 3. X · P(X) (X – 4)? (х — и)2 . Р(X) X P(X) 1 0.11 0.40 7 0.30 10 0.19

A: According our policy we can answer only first question for remaining please repost the question.

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A: The expected value is, μ=Ex=∑xPX=x=2×0.36+4×0.08+6×0.54+8×0.02=0.72+0.32+3.24+0.16=4.44 Thus, the…

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Q: In the accompanying table, the random variable x represents the number of televisions in a household…

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A: In this case, we need to identify the correct option.