Question

Consider the probability distribution for a random variable ?.variable X.

?X 33 44 55 66 77
?(?)P(X) 0.150.15 0.100.10 0.200.20 0.250.25 0.300.30

Find the probability ?(?≤5.5).probability P(X≤5.5).

Use decimal notation. Give your answer to two decimal places.

?(?≤5.5)=

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