4. There are 3 balls in an urn with the numbers 1,2,3 written on them. One draws two balls without replacement. Let X an
Posted: Mon Nov 15, 2021 12:43 pm
4. There are 3 balls in an urn with the numbers 1,2,3 written on them. One draws two balls without replacement. Let X and Y be the numbers written, respectively, on the first and on the second drawn balls. Find the covariance and the correlation of X and Y.