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A company is planning to purchase and store two items, gadgets and widgets. Each gadget costs $2.00 and occupies 2 square meters of floor space; each widget costs $3.00 and occupies 1 square meter of floor space. $1,200 is available for purchasing these items and 800 square meters of floor space is available to store them. Each gadget contributes $3.00 to profit and each widget contributes $2.00 to profit.
a) Write out the objective profit function.
b) Write out the constraints this company faces.
c) List all corner points and determine which combination of items will produce the maximum profit.
At the .10 significance level you will test to determine if there has been an increase in selling time. Assuming we are using a t test what will be the critical value"?
Of 260 females, 224 answered yes. Construct a contingency table to evaluate the probabilities. What is the probability that a respondent chosen at random:
The following data refers to gross earned income, in thousands of dollars per year, and level of taxation on that income.
Experience has shown that radon gas level is approximately normally distributed for this population.
A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 30.
It is not unusual for a battery to have life span that is more than 2470 hours as the z-score is within 2 standard deviations of mean.
A filling machine in a brewery is designed to fill bottles with 355 ml of hard cider. In practice, however, volumes vary slightly from bottle to bottle. In a sample of 49 bottles, the mean volume of cider is found to be 354 ml, with a standard dev..
Write down the advantages and disadvantages of using computer software for decision making.
Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Determine the upper and lower control limits for ?- (This Symbol Is Supposed to be an x not an a) and R-charts for the width of a chair seat when sample grand mean
The lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation of 5 hours. What percentage of bulbs has lifetimes that lie within 1 standard deviation of the mean on either side?
Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is
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