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Consider the following cumulative probability distribution.


x 0 1 2 3 4 5
P(X ≤ x) 0.17 0.28 0.49 0.68 0.84 1


a. Calculate P(X ≤ 2). (Round your answer to 2 decimal places.)



b. Calculate P(X = 4). (Round your answer to 2 decimal places.)



c. Calculate P(2 ≤ X ≤ 4). (Round your answer to 2 decimal places.)

Sagot :

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