Question

Find the probability that the sum of both the numbers is less than 8​

Answer 1

Answer:

When two dice are rolled sample space is of 36 elements. The elements which give sum less than 8 are

(1,1),(1,2),(1,3),(1,4),(1,5),(1,6)

(2,1),(2,2),(2,3),(2,4),(2,5)

(3,1),(3,2),(3,3),(3,4)

(4,1),(4,2),(4,3)

(5,1),(5,2)

(6,1)

Hence number of elements which satisfy conditions are 21

Hence probability is given by (21/36)

Probability=0.5833