When two dice are tossed together, find the probability that the sum o f the numbers on their tops Is less than 7.

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When two dice are tossed together, find the probability that the sum o f the numbers on their tops Is less than 7.

Solution:

When two different dice are thrown, the total number of outcomes = 36. Let E be the event of getting the sum of the numbers less than 7.

These numbers are (1,1), (1,2), (1,3), (1,4), (1,5), (2,1), (2,2), (2,3), (2,4), (3,1), (3,2), (3,3), (4,1), (4,2) and (5,1).

Number of favorable outcomes = 15

Thus, the probability of getting the sum of the numbers less than 7

i

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