QUESTION 20 The probability distribution below is not valid. Explain why. -2 2 1/6 5 4/6...

Question

Question

math Statistics-And-Probability

Answer 1

Answer #1

If P(X) denotes a probability distribution, then P(z)> 0 for all values of x.

Here,

P(X = -2) = -rac{1}{6} gtr 0 , so this probability distribution is not valid.

Answer 2

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