Two dice are rolled. Let X be a random variable denoting the sum of the numbers on the two dice. 1. Give the probablity distribution.
2. Compute the expected value of X and its variance.​

if this is really you s much. i only have 3 points left and i have 2 questions to ask

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.

c. 1,233 miles