SOLUTION: A bin contains 78 light bulbs of which 4 are defective. If 5 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are

Algebra ->  Probability-and-statistics -> SOLUTION: A bin contains 78 light bulbs of which 4 are defective. If 5 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are       Log On


   

Question 1121259: A bin contains 78 light bulbs of which 4 are defective. If 5 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are
good ones.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This would be, with replacement (74/78)^5=0.7686