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Mathematics, 14.04.2020 20:28 countryboy42

Four males with X-linked genetic disorder have one child each. The random variable x is the number of children among the four who inherit the X-linked genetic disorder.

X 0 1 2 3 4
P(X) 0.04 0.26 0.45 0.20 0.05

What is the probability that exactly two children inherited the X-linked genetic disorder?

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