Solved: An automatic welding machine is being considered
Chapter 7, Problem 5.78(choose chapter or problem)
An automatic welding machine is being considered for use in a production process. It will be considered for purchase if it is successful on 99% of itswelds. Otherwise, it will not be considered ecient. A test is to be conducted with a prototype that is to perform 100 welds. The machine will be accepted for manufacture if it misses no more than 3 welds. (a) What is the probability that a good machine will be rejected? (b) What is the probability that an inecient machine with 95% welding success will be accepted?
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