Question 68
Multiple Choice
Obtain the probability distribution of the random variable.
-When two balanced dice are rolled, 36 equally likely outcomes are possible as shown below. (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)
(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)
(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)
(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)
(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)
(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)
Let X denote the product of the two numbers. Find the probability distribution of X . Leave your probabilities in fraction form.
A)
x234568P(X=x) 1/181/181/121/181/91/18x10121518202430P(X=x) 1/121/91/121/121/121/121/18
B)
x1234568910P(X=x) 1/181/181/181/181/181/181/181/181/18
x121516182024253036P(X=x) 1/181/181/181/181/181/181/181/181/18
C)
x1234568910P(X=x) 1/361/181/181/121/181/91/181/361/18x121516182024253036P(X=x) 1/91/181/361/181/181/181/361/181/36
D)
x23456P(X=x) 1/361/181/121/95/36
x789101112P(X=x) 1/65/361/91/121/181/36
Correct Answer:

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