Let X be a random variable with the following probability distribution. Value x of X P(x=x) 40 0.15 50 0.15 60 0.15 70 0.15 80 0.40 (a) Find the expectation E (X) of X.
Let X be a random variable with the following probability distribution. Value x of X P(x=x) 40 0.15 50 0.15 60 0.15 70 0.15 80 0.40 (a) Find the expectation E (X) of X.
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
Section12.2: Introduction To Probability
Problem 66E
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Let X be a random variable with the following probability distribution.
Value x of X | P(x=x) |
40 | 0.15 |
50 | 0.15 |
60 | 0.15 |
70 | 0.15 |
80 | 0.40 |
(a) Find the expectation E (X) of X.
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