SOLUTION: Your company has 30 trucks. 11 of them are defective. The inspectors are coming today to inspect, randomly four trucks. You will pass if they find at most one (zero or 1) of them d

Algebra ->  Probability-and-statistics -> SOLUTION: Your company has 30 trucks. 11 of them are defective. The inspectors are coming today to inspect, randomly four trucks. You will pass if they find at most one (zero or 1) of them d      Log On


   

Question 473882: Your company has 30 trucks. 11 of them are defective. The inspectors are coming today to inspect, randomly four trucks. You will pass if they find at most one (zero or 1) of them defective. What is your probability of passing?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
%2819C4%2A11C0%29%2F30C4+%2B+%2819C3%2A11C1%29%2F30C4+=+0.5304, to four decimal places.