SOLUTION: a firm installed two machines U and V, on jan 1,2017.the probability that machines will b breakdown during first year of operations is 0.2 and 0.1 for machines U and V respectively

SOLUTION: a firm installed two machines U and V, on jan 1,2017.the probability that machines will b breakdown during first year of operations is 0.2 and 0.1 for machines U and V respectively

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Question 1192540: a firm installed two machines U and V, on jan 1,2017.the probability that machines will b breakdown during first year of operations is 0.2 and 0.1 for machines U and V respectively . the probability that one of two machines will breakdown during year is?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
machine U breaks down, V does not prob. 0.2*0.9=0.18
machine V breaks down, U does not prob. 0.8*0.1=0.08
The answer is 0.26, the sum.
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