When three coins are tossed, the probability distribution for the random variable X representing the number of heads that occur is given below. Compute the mean, variance, and standard deviation. Number of Heads (X) Probability P(X) 0 1/8 1 3/8 2 3/8 3 1/8

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(Mean, Variance, and Standard Deviation)
When three coins are tossed, the probability distribution for the random variable
X representing the number of heads that occur is given below. Compute the
mean, variance, and standard deviation.
Number of Heads (X)
Probability P(X)
0
1/8
1
3/8
2
3/8
3
1/8
Transcribed Image Text:(Mean, Variance, and Standard Deviation) When three coins are tossed, the probability distribution for the random variable X representing the number of heads that occur is given below. Compute the mean, variance, and standard deviation. Number of Heads (X) Probability P(X) 0 1/8 1 3/8 2 3/8 3 1/8
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