Pair of Dice Problem?

Question

If a pair of dice is rolled Let A=(1st die is a 4) B=2nd die is a 6

Find the probability that...

1. p(A)

2. p(B)

3. p(A or B)

4. p (A and B)

Answer 1

1. 1 in 6

2. 1 in 6

3. 1 in 6

4. 1 in 36

Answer 2

p(A) = 1 in 6 = 0.1667 = 16.67%

p(B) = 1 in 6 = 0.1667 = 16.67%

p(A or B) = 11 in 36  = 0.3056 = 30.56%

p(A and B) = 1 in 36 = 0.0278 = 2.78%