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Let random variable x represent the number of heads when a fair coin is tossed three times.

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Let random variable x represent the number of heads when a fair coin is tossed three times.
(a) Construct a table describing the probability distribution.

random variable x represent the number of heads when a fair coin is tossed three times.

x

P(x)

0

1

2

3

(b) Determine the mean and standard deviation of x.

 
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