| No. of chairs | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Frequency | 2 | 7 | 5 | 4 | 9 | 7 | 6 |
Find the median of the distribution
If two events are mutually exclusive, their intersection is empty. This means that there are no outcomes that are common to both events. In probability terms, if X and Y are mutually exclusive events, then:
Pr(X ∩ Y) = 0
If events X and Y are mutually exclusive, P(X) = 1/3 and P(Y) = 2/5, P(X∪Y) is
A box contains 2 white and 3 blue identical marbles. If two marbles are picked at random, one after the other without replacement, what is the probability of picking two marbles of different colors?
