9) We assume that X is a random variable with the values 2: 4; 6; 8 and that the distribution isp (2) = p (4) = p (6) = p (8) = 1/4. Then the variance of X isa) 3b) 7c) 4d) none of these
9) We assume that X is a random variable with the values 2: 4; 6; 8 and that the distribution isp (2) = p (4) = p (6) = p (8) = 1/4. Then the variance of X isa) 3b) 7c) 4d) none of these
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
Problem 43CR
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9) We assume that X is a random variable with the values 2: 4; 6; 8 and that the distribution is
p (2) = p (4) = p (6) = p (8) = 1/4. Then the variance of X is
a) 3
b) 7
c) 4
d) none of these
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