Peter has two fair tetrahedral (four sided) dice. The faces on each die are labeled l, 2, 3 and 4. One die is red and another is blue. Peter throws each die once. The random variable X is the sum of the numbers on which the dice land.

Question

Peter has two fair tetrahedral (four sided) dice. The faces on each die are labeled l, 2, 3 and 4. One die is red and another is blue. Peter throws each die once. The random variable X is the sum of the numbers on which the dice land.
a)	Construct a probability distribution table for X.
b)	Find the probability that X=4.
c)	Given that X=6, find the probability that the red die landed on 2

oobleck · Answer

X has the possible values from 2 to 8 figure the probability of each