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Each time a machine fills a can, it under-fills it with probability 0.08. Let X =...

Each time a machine fills a can, it under-fills it with probability 0.08. Let X = the number of cans that are under-filled in a randomly selected box of 12 cans. If based on the total weight of the box you know that at least one can is under-filled, what is the probability exactly one is under-filled?

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Answer #1

This is a binomial distribution question with
n = 12
p = 0.08
q = 1 - p = 0.92
where



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