X 25 50 75 100 Total P(x) .20 . 35 .30 . 15 1.00 (a) Find the probability expressions. (Round your answers to 2 decimal
X 25 50 75 100 Total P(x) .20 . 35 .30 . 15 1.00 (a) Find the probability expressions. (Round your answers to 2 decimal places.) a. P(X = 50) b. P(X S 75) C. P(X > 50) d. P(X
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