Page 96 - NUMINO Challenge_D2

3 Two dice are rolled at the same time. Circle the sums of the two
numbers rolled that are equal to or greater than 3 but smaller than 7.
Find the probability of the event.

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

123456

4 The probability of a sunny day after a sunny day is 3 and the probability
4

of a sunny day after a rainy day is 1 . If it didn’t rain on Tuesday, find
3

the probability of having a sunny day on Thursday.

93Number of Outcomes