Discrete probability distribution

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Reference no: EM1319969

Every time a machine breaks down at the Dynaco Manufacturing Company (Problem A), either 1, 2, or 3 hours are required to fix it, according to the following probability distribution:

Repair Time (hr.)	Probability
1	.30
2	.50
3	.20
	1.00

The Dynaco Manufacturing Company produces a product in a process consisting of operations of five machines. The probability distribution of the number of machines that will break down in a week follows:

Machine Breakdowns per Week	Probability
0	.10
1	.10
2	.20
3	.25
4	.30
5	.05
	1.00

Question: The Dynaco Company is considering a preventive maintenance program that would alter the probabilities of machine breakdowns per week as shown in the following table:

Machine Breakdowns per Week	Probability
0	.20
1	.30
2	.20
3	.15
4	.10
5	.05
	1.00

Reference no: EM1319969

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