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There are 12 boys and 18 girls in Mr. Spano's math class. If he randomly calls on three students for answers to an assignment, what s the probability that all three are girls? Assume he does not call on
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There are 12 boys and 18 girls in Mr. Spano's

math class. If he randomly calls on three
students for answers to an assignment, what
s the probability that all three are girls?
Assume he does not call on the same
tudent more than once.

User Talal
by
8.7k points

1 Answer

2 votes
P(X)= .2
12+18= 30 students.
18/30 = .6 17/29= 0.586206896551724 16/28= 0.571428571428571
.6 x 0.586206896551724 x 0.571428571428571 = 0.200985221674877
User Mamcx
by
7.1k points
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