SOLUTION: In a batch of 2500 calculators ,there are ,on average ,5 defective ones.if a random sample of 140 is selected,find the probability that at most 2 are defective?
Algebra ->
Probability-and-statistics
-> SOLUTION: In a batch of 2500 calculators ,there are ,on average ,5 defective ones.if a random sample of 140 is selected,find the probability that at most 2 are defective?
Log On
Question 729359: In a batch of 2500 calculators ,there are ,on average ,5 defective ones.if a random sample of 140 is selected,find the probability that at most 2 are defective? Answer by lynnlo(4176) (Show Source):
(