Asked by Samuel
Find the probability that a committee of 10 people chosen from an organization consisting of 40 doctors and 35 dentists will include 3 doctors and 7 dentist.
40c10 + 35c10 not sure what to do after setting it up. Need help
40c10 + 35c10 not sure what to do after setting it up. Need help
Answers
Answered by
Scott
it's a binomial expansion
(r + t)¹⁰ ... you want the 8th term
10C7 [(40/75)³ (35/75)⁷]
(r + t)¹⁰ ... you want the 8th term
10C7 [(40/75)³ (35/75)⁷]
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