SOLUTION: Suppose that the random variable Y has probability distribution given by:
y p(y)
-2 0.11
0 0.32
3 0.57
Find the mean, variance, and standard deviation of Y .
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Probability-and-statistics
-> SOLUTION: Suppose that the random variable Y has probability distribution given by:
y p(y)
-2 0.11
0 0.32
3 0.57
Find the mean, variance, and standard deviation of Y .
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Question 1034553: Suppose that the random variable Y has probability distribution given by:
y p(y)
-2 0.11
0 0.32
3 0.57
Find the mean, variance, and standard deviation of Y .
μ Y =
σ 2 Y =
σ Y =
What is the probability that Y is between μ Y −3σ Y and μ Y +3σ Y ? You may find it helpful to draw a probability histogram and mark μ Y , μ Y −3σ Y , and μ Y +3σ Y .
P(μ Y −3σ Y Answer by robertb(5830) (Show Source):
