Question: ( 1 4 points ) A manufacturing line contains 4 machines. On average, the machines run unattended 6 5 % of the time. The operator

(14 points) A manufacturing line contains 4 machines. On average, the machines run
unattended 65% of the time. The operator must perform maintenance on the machines 35% of
the time. Each workday last 8 hrs. Currently the manufacturing line has 2 operators.
a.(7 points) What is the probability of each of M machines being down at any given time?
And what are the total hours lost?

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