13. What is the sum of the probabilities of all values of the random variable? C. ΣΡ(Χ)-1 D. ΣΡ(Χ) -10 A. ΣΡ(Χ)-0 B. ΣΡ(Χ) - 1/10 14. If two socks drawn consecutively without replacement from a drawer containing 4 red socks and 5 green socks. If the value of the random variable X represents the number of green socks, what is the probability of getting two green socks? А. 1/2 %3D %3D С. 1/4

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