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A band leader randomly selects 2 students out of 80 band members. If you and your brother are both band members, what is the probability that you are both selected?
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A band leader randomly selects 2 students out of 80 band members. If you and your brother are both band members, what is the probability that you are both selected?

User AdamVe
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2 Answers

1 vote

Answer: 1/3160

Explanation:

A P E X

User Moondroid
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The probability of choosing one of them is 2 / 80 . the probability of choosing the other one is 1 / 79 . The probability of both things happening is (2/80) x (1/79) = 1/3160
User Kimomaru
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9.0k points
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