Question: x 4 5 6 7 8 P(X = x) 0.2 0.2 0.2 0.2 0.2 Find the expected value E(X)E(X). Round your answer to one decimal

x 4 5 6 7 8 P(X = x) 0.2 0.2 0.2 0.2 0.2

Find the expected value E(X)E(X). Round your answer to one decimal place.

Find the variance. Round your answer to one decimal place.

Find the standard deviation. Round your answer to one decimal place.

Find the value of P(X<8)P(X<8). Round your answer to one decimal place.

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