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The XYZ Manufacturing Company makes a special metal bracket that costs $10 per unit.
XYZ makes 20,000 units per day on its casting machine, and setup costs are $600 per run.
The annual cost of storing each item is estimated at 80 cents in interest expense, .08*$10 = $.80, plus 70 cents in warehouse expense per unit per year, or $1.50 total holding costs. Demand is assumed to be a constant 8000 units per day during the production cycle. Find the optimal run size and total inventory costs for producing one million units per year.
Students applying for admission to an MBA program must submit scores from the GMAT test, which includes a verbal and a quantitative component.
A total of 150 households were asked if they had Internet access, of which 57 responded "Yes". Which of the following would represent a 98% confidence interval around this sample proportion?
Approximately 30% of obese patients develop diabetes. If a physician sees 10 patients who are obese, a) What is the probability that half of them will develop diabetes?
Mauricio Cruz, a wine merchant for Cruz's Spirits Emporium, wants to determine if the average price of imported wine is less than the average price of domestic wine.
computing the probability values using normal distribution.laboratory rats commit an average of micro 40 errors before
Four different types of fertilizers are used on raspberry plants. The number of raspberries on each randomly selected plaint is given below.
A major problem resulting from the lack of randomization in a cohort study is: the possibility that a factor that led to the exposure, rather than the exposure itself, might have caused the disease.
For a sample of 11 independent observations from a normal distribution of unknown μ and unknown variance σ 2 , the sample mean is 74.6 and sample variance is 2.2. What is the lower point of the 90% confidence interval for μ?
question an er nurse notices that when she and her colleagues are asked to work overtime they seem to get less sleep
To test there is significant difference among the mean of income using ANOVA. A developer of real estate is considering investing in a shopping mall on the outskirts of Atlanta, Georgia.
the life span of a battery is normally distributed with a mean of 2400 hours and a standard deviation of 20 hours.a.
Do the data demonstrate that the true mean photometer reading for the color density is significantly different from 12 at 3 percent level of significance?
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