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Below is a probability distribution for the number of failures in an elementary statistics course. X...

Below is a probability distribution for the number of failures in an elementary statistics course. X 0 1 2 3 4 P(X=x) 0.42 0.16 ? 0.06 0.12 Determine the following probabilities:

a. P(X = 2) =

b. P(X < 2) =

c. P(X ≤ 2) =

P(X > 2) =

P(X = 1 or X = 4) =

P(1 ≤ X ≤ 4) =

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