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A newspaper stand purchases newspapers for $0.36 and sells them for $0.50. The shortage cost is $0.50 per newspaper (because the dealer buys papers at retail price to satisfy shortages). The holding cost is $0.002 per newspaper left at the end of the day. The demand distribution is a uniform distribution between 200 and 300. Find the optimal number of papers to buy.
In the following regression output using data on 40 ferns In Ine textile Industry, the variable PROFIT is measured in millions of dollars per year. ADV Is expenditure on advertising per year in millions. and RD Is expenditure on research ar4 develo..
Once these percentages have been calculated, how might the mean value of the all the numbers thrown be determined?
find the number of units that produces a maximum revenue. the revenue r is measured in dollars and x is the number of
Of the 1,4000 homemakers sampled, 420 were able to identify the brand by name. Compute the standard error of the proportion.
consider a company that selects employees for random drug tests. the company uses a computer to randomly select
Find the probability that fewer than two cars will pass in exactly two of three consecutive intervals.
1.researchers are studying the absorption of two drugs into the bloodstream. each drug is to be injected at three
You listen to radio station for 1 hour, at arbitrarily selected time, and carefully observe that amount of advertising time is equal to 7 minutes. Compute z-score for this amount of advertising time.
Construct a 95 percent confidence interval for the true mean.
to compute the variance what should one do?a. square the standard deviation.b. take the square root of the standard
An automobile rental agency has the following mileages (in thousands) for a simple random sample of 20 cars rented last year. Given this information, and assuming the data are from a population that is approximately normally distributed, constr..
How does your sample compare to this theoretical distribution of sample means and what are the mean, variance, and standard deviation of the observations in your sample?
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