| ||||||||
|Ω| = C252 = | = ... | |||||||
| ||||||||
|A'| = C222 = | = ... (P(A) = 1 − P(A')) | |||||||
w − wygrywający
p − przegrywający
P(A) = 22/25 * 3/24 + 3/25 * 22/24 + 3/25 * 2/24 =
| 25*24 | ||
|Ω| = C225 = | = 12*25 = 300 | |
| 2 |
| 3*2 | ||
|A| = C13*C122 + C23 = 3*22 + | = 66 + 3 = 69 | |
| 2 |
| 69 | 23 | |||
P(A) = | = | = 0,23 | ||
| 300 | 100 |