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A certain brand of cars captured 21.7% of the market. If 3 cars are selected at random, the probability distribution is given below. x 0 1 2 3 P(x) 0.2 0.4 0.1 0.3 What is the expected value? E(x) = (Type an integer or a decimal.)

A certain brand of cars captured 21.7% of the market. If 3 cars are selected at random, the probability distribution is given below. x 0 1 2 3 P(x) 0.2 0.4 0.1 0.3 What is the expected value? E(x) = (Type an integer or a decimal.)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 2E
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A certain brand of cars captured 21.7% of the market. If 3 cars are selected at random, the probability distribution is given below. Find E(x). 1 2 3 P(x) 0.2 0.4 0.1 0,3 What is the expected value? E(x) = (Type an integer or a decimal.)
Transcribed Image Text:A certain brand of cars captured 21.7% of the market. If 3 cars are selected at random, the probability distribution is given below. Find E(x). 1 2 3 P(x) 0.2 0.4 0.1 0,3 What is the expected value? E(x) = (Type an integer or a decimal.)
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