SOLUTION: A random variable X has mean 10.5 and variance 7.3. What is the standard deviation of X?
Algebra
.Com
Question 1185795
:
A random variable X has mean 10.5 and variance 7.3. What is the standard deviation of X?
Answer by
Edwin McCravy(20059)
(
Show Source
): You can
put this solution on YOUR website!
The standard deviation is the square root of the variance.
Edwin
RELATED QUESTIONS
A discrete random variable has a mean of 400 and a variance of 64. What is the standard...
(answered by
stanbon
)
The random variable x represents the number of computer hardware help requests received...
(answered by
oscargut
)
Q8: A discrete random variable x has the following probability distribution:
(answered by
ikleyn
)
Could someone explain this to me because the book was no help. The random variable...
(answered by
Fombitz
)
I don't know if this is the right section here's the problem I need help with...
(answered by
MathLover1
)
An urn contains 10 marbles, each of which shows a number. Five marbles show 1,two marbles
(answered by
stanbon
)
An urn contains 10 marbles, each of which shows a number. Five marbles show 1,two marbles
(answered by
Fombitz
)
Consider a random variable Y = 2X + 7, where X is a random variable with mean 3 and...
(answered by
Edwin McCravy
)
I Attempt all questions show all the necessary steps in your work 1. If P(A) =1/3 and...
(answered by
lynnlo
)