Asked by Andrew
For every 1000 batteries produced by a manufacturer 15 are defective. What is the
probability that 100 randomly chosen batteries will have exactly 2 defective batteries?
probability that 100 randomly chosen batteries will have exactly 2 defective batteries?
Answers
Answered by
Scott
d = defective , n = not defective
this is a binomial distribution
... a battery is or isn't
100C2 * .985^98 * .015^2
this is a binomial distribution
... a battery is or isn't
100C2 * .985^98 * .015^2
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