Probability and statistics, Mathematics

f Y is a discrete random variable with expected value E[Y ] = µ and if X = a + bY , prove
that Var (X) = b2Var (Y ) .
Posted Date: 4/1/2013 3:49:44 AM | Location :







Related Discussions:- Probability and statistics, Assignment Help, Ask Question on Probability and statistics, Get Answer, Expert's Help, Probability and statistics Discussions

Write discussion on Probability and statistics
Your posts are moderated
Related Questions
with t =[a b c] construct a matrix A = 1 1 1 a b c a^2 b^2 c^2 a^3 b^3 c^3 using vector operations

An experiment designed to test the potency of a drug on 20 rats. Last animal studies have shown that a 10 mg dose of the drug is lethal 5% of the time within the first 4 hours; of

Will has a bag of gumdrops. If he eats 2 of his gumdrops, he will have among 2 and 6 of them left. Which of the subsequent represents how many gumdrops, x, were originally in his b

A population forms a normal distribution with a mean of μ=80 and a standard deviation of o=15. For every samples, compute the z-score for the sample mean and determine whether the

I need help converting my project fractions to the number 1.

Q. There are 10 students on the school debating team. How many different ways can the team choose a president and a secretary? Ans. There are 10 choices for the president

Find all the eighth roots of (19 + 7 i)

find the matrix of the linear transformations T:R2->R2 defined by T(x,y,z)=(x+2y,x-3z).


Steve earned a 96 percent on his ?rst math test, a 74% on his second test, and an 85 percent on his third test. What is his test average? Add the test grades (96 + 74 + 85 = 25