Find the area of triangle ABC. The figure is not drawn to scale.
1 answer:
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Given:
Number of girls = 10
Number of boys = 15
To find:
The probability that the first, second and third place winners will be boys.
Solution:
Total number of boys and girls:
The probability that the first place winner will be a boy is
Now, the remaining number of boys is 14. So, the probability that the first place winner will be a boy is
Now, the remaining number of boys is 13. So, the probability that the first place winner will be a boy is
The probability that the first, second and third place winners will be boys is
Therefore, the probability that the first, second and third place winners will be boys is .