SOLUTION: In a factory there are three independently operating machines, each with a probability of 0.6 of being working, find the probability that: a. All the machines are working b.

Question 1079024: In a factory there are three
independently operating machines, each with a
probability of 0.6 of being working, find the probability that:
a. All the machines are working
b. None of the machines are working
c. Only one machine is working
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
a. Probability(P) (all three are working) = 0.6^3 = 0.216
:
b: P(no machines are working) = 0.4^3 = 0.064
:
c: P( only one machine is working) = 3 * 0.60 * 0.40^2 = 0.288
:

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