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Find the mean, variance and standard deviation of the discrete random variable X whose probability distribution is x -2 1 2 3.5 0.21 P(x) 0.21 0.34 0.24 P₁ = [[XX P(X)] Var (X) = 6²,= (x-μ)²- P(x) all possible values of 6,- Var(X) or 6,-√0,²

Find the mean, variance and standard deviation of the discrete random variable X whose probability distribution is x -2 1 2 3.5 0.21 P(x) 0.21 0.34 0.24 P₁ = [[XX P(X)] Var (X) = 6²,= (x-μ)²- P(x) all possible values of 6,- Var(X) or 6,-√0,²

Calculus For The Life Sciences
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
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Find the mean, variance and standard deviation of the discrete random variable X whose probability distribution is X -2 1 2 3.5 P(x) 0.21 0.21 0.34 0.24 0.21 H₂ = [[XX P(X)] Var(X) = ²,= Σ (x-1). P(x) all possible values of o, Var(X) or 0₂-√o₂² COL
Transcribed Image Text:Find the mean, variance and standard deviation of the discrete random variable X whose probability distribution is X -2 1 2 3.5 P(x) 0.21 0.21 0.34 0.24 0.21 H₂ = [[XX P(X)] Var(X) = ²,= Σ (x-1). P(x) all possible values of o, Var(X) or 0₂-√o₂² COL
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