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A quadratic revenue function often occurs in practice. The reason is that as more units are produced, the price must be lowered in order to sell them all.
a) A company has found that if they produce x units of a product, they must sell them each at $10 - 0.2x if they are to sell all of them. Determine the revenue function.
b) Their fixed costs are $40 and their variable costs per unit are $1. Determine the cost and profit functions.
c) Graph all three functions (on the same graph) over an appropriate range.
Perform hypothesis testing on one variable's data.
Calculate the population mean and population standard deviation.
Determine a 95% confidence interval for the true mean weight of such boxes?
Assuming the sigma of 200 was actually the standard deviation for the sample, recalculate the interval estimate. Discuss how this changed your result from that in part b.
Suppose normality, determine a 90% confidence interval for population variance.
Create the corresponding decision tree and make recommendations.
If employee is chosen at random, determine these probabilities.The Employee smokes, The employees smokes, given that he/she graduated from college.
You have been asked to study the effects of an employee-wide training program, in a company of 500 employees, designed to reduce the amount of customer complaints.
In a survey about soft drinks it was found that 5% of the respondents like diet soft drinks. 12% of them liked the brand Coke. Of all the Diet soda drinkers 40% liked Coke.
At the .05 significance level, is the number of units produced on the afternoon shift larger?
A company produces two products that are processed on two assembly lines. Assembly line 1 has 100 available hours, and assembly line 2 has 42 available hours.
Determine the probability that between 5 and 10 minutes will pass between successive occurrences.
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