Posted by Linda on .
From a lot of 12 flares, 4 are selected at random. if the lot has 4 defective flares, what is the probability that all 4 will not work.
B. whats the pobablity that at most 2 will not work?
data 12 -
When you post your question, please tell us what you know about the answer and be specific about how you'd like us to help you.