SOLUTION: Fifty employee travel expense reimbursement vouchers were filed last quarter in the finance department at Ramjac Corporation.Of these 20 contained errors. A corporate auditor inspe

Algebra ->  Probability-and-statistics -> SOLUTION: Fifty employee travel expense reimbursement vouchers were filed last quarter in the finance department at Ramjac Corporation.Of these 20 contained errors. A corporate auditor inspe      Log On


   

Question 898775: Fifty employee travel expense reimbursement vouchers were filed last quarter in the finance department at Ramjac Corporation.Of these 20 contained errors. A corporate auditor inspects five vouchers at random. Let X be the number of incorrect vouchers in the sample.
a) Calculate the entire hyper geometric probability distribution.
b) Find P(X=0)
c) Find P(X=1)
d) Find P(X>=3)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

30(no errors) 20(with errors)

auditor inspects five vouchers at random

b) Find P(X=0) = %2830C5%29%2F%2850C5%29

 c) Find P(X=1)= %2830C4%29%2820C1%29%2F%2850C5%29

 d) Find P(X>=3)=