+220 Ann throws a dice 30 times. The chances of getting 1, 2, 3, 4, 5 or 6 are equal. The results are as following:
| amount of pips | 1 | 2 | 3 | 4 | 5 | 6 |
| amount of throws | 7 | 6 | 0 | 5 | 4 | 8 |
a. How big of a chance is there that her next throw will be a 3?
b. Ann throws the dice another 12 times. How many times is she expected to throw a 3 on these 12 throws?
