Homework Help: data 12

Posted by Linda on Wednesday, October 8, 2008 at 11:30am.

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 - Ms. Sue, Wednesday, October 8, 2008 at 11:38am
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