Question

Z talii 52 kart losujemy 2 karty. Oblicz prawdopodobienstwo wylosowania dwoch asow

Answer 1

P(A)=4/52*3/51=1/221

II sposob:
|Ω|=52*51
|A|=4*3=12
P(A)=4/52*3/51=1/221

III sposob:
|Ω|=52!/(2!*50!)=1/2*51*52
|A|=4!/(2!*2!)=6
P(A)=6*2/(51*52)=1/17*1/13=1/221