Tuesday
October 21, 2014

Homework Help: Probability

Posted by abc on Sunday, March 16, 2014 at 8:27am.

Let X and Y be normal random variables with means 0 and 2, respectively, and variances 1 and 9, respectively. Find the following, using the standard normal table. Express your answers to an accuracy of 4 decimal places.

P(X>0.75)=
P(X≤−1.25)=
Let Z=(Y−3)/4. Find the mean and the variance of Z.

E[Z]=
var(Z)=
P(−1≤Y≤2)=

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Probability - Let X and Y be normal random variables with means 0 and 2, ...
probability - Let X and Y be normal random variables with means 0 and 2, ...
Math - Let X and Y be normal random variables with means 0 and 2, respectively, ...
Probability - Let U, V, and W be independent standard normal random variables (...
Probability - Let N,X1,Y1,X2,Y2, be independent random variables. The random ...
probability - Let N,X1,Y1,X2,Y2, be independent random variables. The random ...
random variables - For the standard normal random variable Z, compute the ...
probability - Consider n independent rolls of a k-sided fair die with k≥2...
prob and stats - The tread lives of the Super Titan radial tires under normal ...
Statistics - Suppose that the probability distribution of a random variable x ...

Search
Members