Suppose X is a random variable with possible values -2,-4, and 2 and with respective probabilities 0.42, 0.48, and 0.1, Then E(5X-2 x2) is: O a. -39.0144 O b. 13.4144 O C. -32.32 O d. -25.9072 e. 0.3072

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.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
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Suppose X is a random variable with possible values -2,-4, and 2 and with
respective probabilities 0.42, 0.48, and 0.1. Then E(5X-2 x2) is:
O a. -39.0144
O b. 13.4144
O C. -32.32
O d. -25.9072
O e. 0.3072
Transcribed Image Text:Suppose X is a random variable with possible values -2,-4, and 2 and with respective probabilities 0.42, 0.48, and 0.1. Then E(5X-2 x2) is: O a. -39.0144 O b. 13.4144 O C. -32.32 O d. -25.9072 O e. 0.3072
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