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GarryVolchara [31]
3 years ago
12

In a class, there are 18 girls and 14 boys. If the teacher selects two students at random to attend a party with the principal,

what is the probability that the two students are the opposite gender?
Advanced Placement (AP)
1 answer:
Vikki [24]3 years ago
6 0

number of different pairs the teacher can choose= nCr (18+14, 2)=496

no. of opposite gender pairs possible= 14 (since there are only 14 boys)

probability = 14/496= 7/248

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