In the accompanying table, the random variable x represents the number

In 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 probability distribution. If it is a probability distribution, find its mean and standard deviation.
Is the table a probability distribution?
yes 
no
If a table is a probability distribution, what is its mean? Select the correct choice below and fill in any answers boxes within your choice
a. Its mean is 2.8(Round to nearest tenth as needed).
b. The table is not a probability distribution.

X P(x)
0 0.04
1 0.13
2 0.27
3 0.25
4 0.18
5 0.13

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