The following table shows part of the probability distributi
The following table shows part of the probability distribution for the number of Wookies that play chess at Chalum\'s Spaceport Cantina on Saturday nights. The mean of the distribution is known to be 1.8. What are the missing values for A and B?
| Number of Wookies | P(Wookies) |
| 1 | |
| 2 | 0.15 |
| 3 | |
| 4 | 0.15 |
Solution
