If a fair die is rolled twice and two numbers. X1=result of the first roll and X2=result of the second roll are obtained. Given that X1+X2=7,what is the probability that X1=4 or X2=4​

$12. that is my answer.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

it’s the first one your welcome

it is not that hard all u have to do is plot the graph

step-by-step explanation: