A random variable X has a normal distribution N(13,49). (1) Find E(X) and V(X). (2) Find E(2X-10) and V(2X-10). (3) Let terms of $. be the cdf of the standard normal distribution. Find P(|X-13| <21) in
A random variable X has a normal distribution N(13,49). (1) Find E(X) and V(X). (2) Find E(2X-10) and V(2X-10). (3) Let terms of $. be the cdf of the standard normal distribution. Find P(|X-13| <21) in
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 31CR
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![A random variable X has a normal distribution N(13,49).
(1) Find E(X) and V(X).
(2) Find E(2X-10) and V(2X-10).
(3) Let
terms of
be the cdf of the standard normal distribution. Find P(|X-13|<21) in
.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffebc1ce5-c92f-4b44-91a6-927941023ef8%2F70fd5560-081f-41f2-b746-00b4e125aee1%2Fep532v9_processed.png&w=3840&q=75)
Transcribed Image Text:A random variable X has a normal distribution N(13,49).
(1) Find E(X) and V(X).
(2) Find E(2X-10) and V(2X-10).
(3) Let
terms of
be the cdf of the standard normal distribution. Find P(|X-13|<21) in
.
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