Core Mathematics

1A bag has 3 red and 2 blue balls. Two are drawn without replacement. P(both red) =

2For independent events, P(A and B) =

3Getting a head and a tail on one toss of a coin are mutually exclusive.

4A bag contains 6 red and 3 blue balls. Two balls are picked without replacement. Find P(both blue).

5A and B are independent with P(A) = 0.5 and P(B) = 0.3. P(A and B) = ___

6A bag contains 2 red and 6 blue balls. Two balls are picked without replacement. Find P(one of each colour).

7A bag contains 7 red and 4 blue balls. Two balls are picked without replacement. Find P(one of each colour).

8A bag contains 3 red and 6 blue balls. Two balls are picked without replacement. Find P(both blue).

9A and B are independent with P(A) = 0.5 and P(B) = 0.2. P(A and B) = ___

10For mutually exclusive events, P(A or B) =