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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) .41 .18 ? .09 .09

Determine the following probabilities:

a. P(X = 2) = _____

b. P(X < 2) = _____

c. P(X ≤ 2) = _____

d. P(X > 2) = _____

e. P(X = 1 or X = 4) = _____

f. P(1 ≤ X ≤ 4) =

Math   Statistics-And-Probability   
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