(Ross 6.2) Suppose the 2 balls are chosen without replacement from an urn consisting of 5 white and 8 red balls. Let Xi equal 1 if the ith ball selected is white, and let it equal 0 otherwise. Give the joint probability mass function of X1 and X2.

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

The heaviest 16% of all men in weight weigh more than how many pounds ?