MediumDiscrete distributions

OpenStax, Introductory Statistics 2e §4.2 Mean or Expected Value and Standard Deviation · Exercise 2 · Probability · Discrete distributions

Mean or Expected Value and Standard Deviation · Exercise 2

Find the expected value from the expected value table.

$x 2468 P(x) 0.1 0.3 0.4 0.2 x*P(x) 2(0.1) = 0.2 4(0.3) = 1.2 6(0.4) = 2.4 8(0.2) = 1.6$

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OpenStax, Introductory Statistics 2e · §4.2 Mean or Expected Value and Standard Deviation · Exercise 2

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