[Unlock Answer From @10/Pg] Factory X Supplies 60
Problem 2 (Week 15; Bayes Rule to evaluate Product / Operations Reliability)
Suppose that It is known that factory X supplies 60% of the total bulbs available and Y supplies 40% of the total bulbs available.
1)What is the chance that a purchased bulb will work forever?
2)Given that a purchased bulb will work forever, what is the chance that it was made in Factory X?