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Question: A machine shop repairs small electric motors, which arrive according to a Poisson process at the rate 12 per week (5-day, 40-hour workweek). An analysis of past data indicates that engines can be repaired, on the average, in 2.5 hours, with a variance of 1 hour2. How many working hours should a customer expect to leave a motor at the repair shop (not knowing the status of the system)? If the variance of the repair time could be controlled, what variance would reduce the expected waiting time to 6.5 hours?
Suppose $1000 is invested at a nominal annual interest rate of 3%. What is the balance after 4 years. (a) Assuming monthly compounding? (Give a formula with numbers plugged in, then use a calculator.)
MAST20018 - Discrete Mathematics and Operations Research Draw a tree, with root s, indicating a shortest path from s to all the other nodes and Using the data in your tree, employ the recursive algorithm from class to compute the number of shortest ..
At any particular time during office hours, the probability that Faith is in the office is 0.8 and probability that Mary is not in the office is 0.45. Find the probability that at any particular time during office hours, all of them are not in the..
1.nbsp find the natural domain of the following functions. explain your results.2. given the equation y x2 - 6x 8 find
QUALITY CONTROL One light bulb is selected at random from a lot of 120 light bulbs, of which 5% are defective. What is the probability that the light bulb.
as part of a study investigators wanted to assess the accuracy of self-reported smoking status. participants are asked
A fair coin is tossed n times. What is the probability of heads on the ?rst toss given that r heads were obtained in the n tosses?
Employment law covers all rights and obligations within the employer-employee relationship -- between employers and current employees, job applicants, or former employees. Please provide an example of a right and obligation that employers owe empl..
Evaluate the ratio of circumferences of inscribed and circumscribed circles in a regular hexagon
Write a differential equation for the total quantity of dead leaves (per square centimeter) at time t.
The actual demand of a product in period 1 through 3 are 285, 229, 309 units, respectively. Find the forecast of demand in period 4 using the exponential smoothing model with a smoothing constant of 0.41. The forecast demand for period 1 was 302 u..
Use the counterexample method to prove each of the following arguments invalid.- All diabetes victims are either insulin takers or glucose eliminators.
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