a. Compute E(y) (to 1 decimal). X 5.5 b. Compute Var(y) and a (to 2 decimals] Var(y) 4.05 2.01 X
a. Compute E(y) (to 1 decimal). X 5.5 b. Compute Var(y) and a (to 2 decimals] Var(y) 4.05 2.01 X
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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Transcribed Image Text:The following table provides a probability distribution for the random variable y.
f(y)
a. Compute E(y) (to 1 decimal).
5.5
b. Compute Var(y) and σ (to 2 decimals).
Var(y)
4.05
2.01
Y
AN
2
4
7
8
0.20
0.30
0.40
0.10
Transcribed Image Text:The following table provides a probability distribution for the random variable y.
f(y)
a. Compute E(y) (to 1 decimal).
6.0
b. Compute Var(y) and o (to 2 decimals).
Var(y)
σ
3.47
1.86
Y
2
4
6
9
0.20
0.30
0.30
0.20
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