Question

When two fair dice are rolled, 36 equally likely outcomes are possible-
(a)- find the probability distribution of X. give the probabilities rounded to three decimal places.
(b)- find the mean and standard deviation of the random variable X.
(c)- Let A be the event that X is an even number. Find P (A).
(d)- Let B be the event that X is 2. Find P (B).
(e)- For A and B defined in parts c and d, find P (A and B).

Answer 1

a) x=.028

Answer 2

how did u get this answer?

Answer 3

1/36 is the % chance that it will land on any one of the 36 combinations