Wednesday

September 17, 2014

September 17, 2014

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

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**

**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 ...