Posted by **Joel** on Friday, February 11, 2011 at 1:38pm.

the correlation between two random variables X and Y is p=-0.75.it is given that X=1,2or3 with equal probability of 1/3 and Y=-1,-2or-3 with equal probability of 1/3.the covariance is equal to?i need help.i have been struggling to get the answer>

## Answer this Question

## Related Questions

- Economics/Statistics - 1. Assume that q and z are two random variables that are ...
- Statistics - Let Y be a random number between 0 and 1 generated by an idealized ...
- random variables - For the standard normal random variable Z, compute the ...
- random variable - A communication channel accepts the input X ?{0,1, 2,3} and ...
- math - State the null hypothesis, Ho, and the alternative hypothesis, Ha, that ...
- ap stats - Continuous Random Variable, I Let X be a random number between 0 and ...
- stats - Continuous Random Variable, I Let X be a random number between 0 and 1 ...
- Economics/Math - 1. Assume that q and z are two random variables that are ...
- Stats - Richard has just been given a 4-question multiple-choice quiz in his ...
- Statistics -- Probability - I need to calculate P(man is a ballet dancer and a ...

More Related Questions