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Question

A random variable X has the probability distribution:

Then the value P(X ≥ 5) is:


A

0.2

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B

0.23

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C

0.13

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D

0.45

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Solution

The correct option is A

0.2


P(X ≥ 5) = P(5) + P(6) + P(7) = 0.01 + 0.02 + 0.17 = 0.2


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