Question

11. Six faces of an unbiased die are numbered
with 2, 3, 5, 7, 11 and 13. If two such dice are
thrown, then the probability that the sum on
the uppermost faces of the dice is an odd
number is​

Answer 1

Answer:

ANSWER

The sum on the uppermost faces of the dice is an odd number. Hence exactly one of the two numbers on the uppermost face is 2. So the different possible combinations are (2,3),(2,5),(2,7),(2,11),(2,13),(3,2),(5,2),(7,2),(11,2) and (13,2)

Total required combinations =10

The probability that the sum on the uppermost faces of the dice is an odd number is =

36

10

=

18

5

Step-by-step explanation:

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