Directions: Compute the expected value, variance, and standard deviation for random variable X whose probability table is given below: Possible Outcome -1 0 Probability 1 2 1/7 1/7 5/14 5/14 Probability Table for X 1. The Expected Value of X is E(X) 2. The Variance of X is Var(X) = 3. The Standard Deviation of X is Std(X)
Directions: Compute the expected value, variance, and standard deviation for random variable X whose probability table is given below: Possible Outcome -1 0 Probability 1 2 1/7 1/7 5/14 5/14 Probability Table for X 1. The Expected Value of X is E(X) 2. The Variance of X is Var(X) = 3. The Standard Deviation of X is Std(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
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 9E
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Transcribed Image Text:Directions: Compute the expected value, variance, and standard deviation for random variable X whose
probability table is given below:
Possible Outcome -1 0
1/7 1/7
Probability
Probability Table for X
1. The Expected Value of X is E(X)
2. The Variance of X is Var(X)
3. The Standard Deviation of X is Std(X)
1
2
5/14 5/14
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