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Question: A feed company produces a livestock mix from four possible ingredients: corn, peanuts, oats, and a vitamin supplement. The company produces the feed mix in 2,000 pound batches. Corn costs $0.10/lb, peanuts $0.05/lb, oats $0.15/lb, and the vitamin supplement $0.20/lb. Customers require the following criteria to be met:
• The mix must contain at least 30% peanuts.
• The mix cannot contain more than 20% oats.
• Each batch must contain at least 10% vitamin supplement.
• The ratio of corn and oats to peanuts must be at least 3 to 2.
What is the best batch mix that optimizes total cost?
Families USA, a monthly magazine that discusses issues related to health and health costs, surveyed 20 of its subscribers. It found that the annual health insurance premiums for a family with coverage through an employer averaged $10,979.
The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown in the following table.
With a population standard deviation of $7810. Use α = 0.01 to test the researcher's theory. Assume wages in this industry are normally distributed, determine the 99% confidence interval of the population mean.
The selection is made at random so that the selection of any component is equally likely. What is the probability of drawing any faulty component if 3 different components are drawn?
According to Central Limit Theorem, how big of sample is essential to be sure sampling distribution of sample means is normally distributed.
To explain this, be sure to explain whether the null hypothesis should be rejected, the likelihood of that decision being an error, and why it might have been an error.
The function s(t) = ut + 1/2 gt^2 represents the distance traveled s meters in time t seconds when the initial velocity is u m/s and acceleration is g m/s^2.
Found to have SL concentration of 30ng/ml and sample variance 0.5ng/ml. Does this provide significant evidence that the SL level in maturing male salmon is greater than that of non-maturing male salmon?
Assuming a linear relationship between sales and years of experience f a salesperson, asc the least-squares method to find the regression coefficients. b0 and b1.
Plot the ACF and PACF of the transformed time series.Examine these plots for non-stationary.If appropriate difference the data and seasonality difference the data.(Note this di=etermines d and D in the ARIMA(p,d,q)s model.
Assume in a single game sudden death playoff between team A and team B that team A would win with probability 0.6.
At 5 % level of significance, does this sample prove violation of the guideline that average patient muts pay no more than $250 out-of-pocket? Is this a close decision?
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