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Tamiku [17]
3 years ago
8

A box contains 48 tickets for six door prizes. Six tickets are drawn, and not replaced, to declare the winners. If serge purchas

es 8 tickets, determine the probability that he wins
a) the first prize
b) the first and second prizes
c) all six prizes
Mathematics
2 answers:
Lyrx [107]3 years ago
6 0
The tickets aren't replaced, so multiply the probabilities, decreasing the  denominator each time.

a) 1/48
b) (1/48)(1/47)
c) (1/48)(1/47)(1/46)(1/45)(1/44)(1/43)
Sphinxa [80]3 years ago
6 0
A)P(1st\ prize)=\frac{8}{48}
b)P(1st+2nd\ prizes)=\frac{8C2}{48C2}=.025
c)P(all\ 6\ prizes)=\frac{8C6}{48C6}=0.000002
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