SOLUTION: there are 20 employees at plant A and 10 employees at plant B. A random sample of 6 employees is chosen. What is the probability that 2 are at plant B? What is the probability tha

Question 373914: there are 20 employees at plant A and 10 employees at plant B. A random sample of 6 employees is chosen. What is the probability that 2 are at plant B?
What is the probability that 4 are at plant A?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
nCr=Combination of n things taken r at a time
.
(10C2*20C4)/30C6
=(45*4845)/593775
=218025/593775
=.3672 The same answer applies to both questions because when there are 2 at plant B there are 4 at plant A.
.
Ed

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