The probability of making a standard part is 0.98. What is the probability that among 50 parts there will be one non-standard?

The probability of manufacturing a non-standard part is 1-0.98 = 0.02, that is, out of 100 parts, only 2 are defective, or, if reduced, only one out of 50. This means that the required probability is 1/50.



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