Lathe

95% of the components manufactured on the lathe comply with the standard, of which 80% of the components are first-class. How likely can we expect a manufactured part to be first class?

Correct result:

p =  76 %

Solution:

p1=95%=95100=0.95 p2=80%=80100=0.8  p=100 p1 p2=100 0.95 0.8=76%



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