Suppose that X is a continous random variable taking value between 0 and 1 with the pdf f(x) = 2x. Var(X² equals to (Please keep 4 decimal places)

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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Suppose that X is a continous random variable taking value between 0
and 1 with the pdf f(x) = 2x. Var(X² Fequals to
(Please keep
4 decimal places)
Transcribed Image Text:Suppose that X is a continous random variable taking value between 0 and 1 with the pdf f(x) = 2x. Var(X² Fequals to (Please keep 4 decimal places)
Suppose a sample X is i.i.d. drawn from a normal distribution with
-
unknown mean μ and standard deviation o 4. The sample contains 100
observations with mean 5. The 95% confidence interval for u is [
. (Please keep 2 decimal places)
Transcribed Image Text:Suppose a sample X is i.i.d. drawn from a normal distribution with - unknown mean μ and standard deviation o 4. The sample contains 100 observations with mean 5. The 95% confidence interval for u is [ . (Please keep 2 decimal places)
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