Asked by Mae
a manufacturing machine has a 8% defect rate. if 5 items are chosen at random, what is the probability that at least one will have a defect
Answers
Answered by
Damon
find P of 5 successes (100 %)
then subtract that from 1
p of success = .92
P of 5 in a row = .92^5 = .659
so probability that not all 5 work
= 1 - .659 = .341
then subtract that from 1
p of success = .92
P of 5 in a row = .92^5 = .659
so probability that not all 5 work
= 1 - .659 = .341
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