Test questions attached need help
In a single channel single server system, if the service rate is 4 per hour and the arrival rate is 6 per hours, what is the average time a unit spends waiting in the system (Wq)?
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| infinite | |
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| approximately 20 minutes | |
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| approximately 40 minutes | |
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| approximately 1 hour |
n the single server single channel queue theory models, the closer μ is to λ, which will be higher?
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| ||
|
| ||
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| Po | |
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| Pq |
n a single channel single server system, if the service rate is 4 per hour and the arrival rate is 6 per hours, what is the probability that a unit must wait (Pw)?
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| 33.33% | |
|
| 50% | |
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| 66.67% | |
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| 100% |
The price per test is $85, and the variable cost per test is $15. Using this information, what is the breakeven point in volume if the allocated fixed costs were $210,000?
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| 3,000 | |
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| 5,000 | |
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| 7,000 | |
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| 9,000 |
The price per test is $85, and the variable cost per test is $15. What is the contribution margin per test?
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| $65 | |
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| $70 | |
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| $75 | |
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| $80 |
If forecasting using 33 months of historical data, how many months should you forecast if using a regression forecast?
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| 10 | |
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| 11 | |
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| 12 | |
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| 13 |
Using a smoothing constant of 0.3, 0.35, or 0.4 will produce what types of forecasts?
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| equally accurate forecasts | |
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| widely varying forecasts | |
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| forecasts with small variances | |
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| forecasts with statistical differences |
