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05-08-2019
Mathematics

contestada

There are 3 math clubs in the school district, with 5, 7, and 8 students respectively. Each club has two co-presidents. If I randomly select a club, and then randomly select three members of that club to give a copy of "Introduction to Counting and Probability", what is the probability that two of the people who receive books are co-presidents?

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ivyunicorn02 ivyunicorn02

05-04-2020

Answer:

11/60

Step-by-step explanation:

this is kinda hard to explain

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example193 example193

02-06-2020

Answer:

11/180

Step-by-step explanation:

1/3 * (2/(5*4)+2/(7*6)+2/(8*7))

prob of choosing a team prob of choosing captain.

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