Mathematics, 02.08.2019 08:00 tfraz4412
From experience, it is known that on average 10% of welds performed by a particular welder are defective. if this welder is required to do three welds in a day: a. what is the probability that none of welds will be defective? b. what is the probability that exactly two of welds will be defective? 2 c. what is the probability that at least two welds are defective? assume that the condition of each weld is independent of the condition of the other welds.
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where
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