Posted: February 16th, 2017

# , identify the requirements that are not satisfied. In those cases where a probability distribution is described, find its mean and standard deviation.

Sect. 5-2, p. 209 Identifying Probability Distributions. In Exercise 7-12, determine whether a probability distribution is given. In those cases where a probability distribution is not described, identify the requirements that are not satisfied. In those cases where a probability distribution is described, find its mean and standard deviation. (see example on p. 206, 207)

#7. Genetic Disorder. Three males with an X-linked genetic disorder have one child each. The random variable x is the number of children among the three who inherit the X-linked genetic disorder.
X P(x)
0 0.4219
1 0.4219
2 0.1406
3 0.0156
Answer: µ = σ =

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