Given the discrete probability distribution shown to the right, a. Calculate the expected value of x. b. Calculate the variance of x. c. Calculate the standard deviation of x. a. E(x) = (Type an integer or a decimal.) b. o² = (Type an integer or a decimal.) C. 6x= (Type an integer or decimal rounded to two decimal places as needed.) X P(x) 50 0.25 0.30 75 100 0.45
Given the discrete probability distribution shown to the right, a. Calculate the expected value of x. b. Calculate the variance of x. c. Calculate the standard deviation of x. a. E(x) = (Type an integer or a decimal.) b. o² = (Type an integer or a decimal.) C. 6x= (Type an integer or decimal rounded to two decimal places as needed.) X P(x) 50 0.25 0.30 75 100 0.45
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 9CR
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Transcribed Image Text:Given the discrete probability distribution shown to the right,
a. Calculate the expected value of x.
b. Calculate the variance of x.
c. Calculate the standard deviation of x.
a. E(x) =
(Type an integer or a decimal.)
b. o²
(Type an integer or a decimal.)
C. Ox=
(Type an integer or decimal rounded to two decimal places as needed.)
X
50
75
100
P(x)
0.25
0.30
0.45
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