What is the proportion of lost work time

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A methods analyst estimates that 4 machines should be assigned to an operator in a manufacturing process. On average, the machines run unattended 73% of the workday. The operator must attend to the machines at irregular intervals 27% of the time. Each workday lasts 12 hrs.

- What is probability of each of the machines being down at any given time?

- What is the number of machine hours lost/day for each machine down as well as the total lost machine time?

- What is the proportion of lost work time due to the assignment of 4 machines?

Reference no: EM132641392

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