SOLUTION: Of the repair jobs that Bernie's Machine Shop receives. 20% are welding jobs and 80% are machining jobs.
(a) What is the probability that the next three jobs to come will be we
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-> SOLUTION: Of the repair jobs that Bernie's Machine Shop receives. 20% are welding jobs and 80% are machining jobs.
(a) What is the probability that the next three jobs to come will be we
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Question 1045639: Of the repair jobs that Bernie's Machine Shop receives. 20% are welding jobs and 80% are machining jobs.
(a) What is the probability that the next three jobs to come will be welding jobs? _____
(b) What is t the probability that two of the next three jobs to come in will be machining jobs? _____ Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! Assuming randomness, the first is 0.2^3=0.008
The second has 3 ways of occurring, and probabilities are .8*.8*.2. They are added together, so 3*0.8*0.8*0.2=0.384
