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Results from a Best 5 out of 9 competition yield the distribution given below. Find the mean and standard deviation for the probability distribution. x

Results from a "Best 5 out of 9" competition yield the distribution given below.

Find the mean and standard deviation for the probability distribution.

x	P(x)
5	0.07
6	0.18
7	0.25
8	0.26
9	0.24
	1.00

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