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The amount of time the university professors devote to their jobs per week is normally distributed with a mean of 52 hours and a standard deviation of 6 hours.
a) What is the probability that a professor works for more than 60 hours per week?
b) Determine the probability that the mean amount of work per week for three randomly selected professors is more than 60 hours.
c) Determine the probability that if three professors are randomly selected, all three work for more than 60 hours per week.
The only difference is that the first group is comprised of athletic persons and the second of non-athletic ones.
Design a Linear programming problem for the flair Furniture Company and find the combination of tables and chairs that the company must produce to maximize profits.
Let x be average number of employees in group health insurance plan and y be average administrative cost as percentage of claims. Determine sample correlation coefficient.
Appalachian Coal mining believes it can enhance labor productivity and therefore net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing additional capital equipment is.
Determine whether the method of delivering teaching influences adherence with antiretroviral therapy.
Given that P (A) = 0.7, P (B) = 0.5, and P (A B) = 0.8. Find the following probabilities:
Evolutionary theories often, Emphasize that humans have adapted to their physical environment. One such theory hypothesis that:
Find a 99% confidence interval for the population mean number of weekly miles.
Which distribution should be used to create 80% confidence interval?
Construct a 99% confidence interval for the population mean tread wear for this type of tire.
She knows that 60% of the minerals have mass less than a certain amount m, and needs to select a random sample of n = 16 specimens for an experiment. With what probability will their average mass be less than the same amount m? (Hint: Calculate th..
Find out the regression equation Determine the value of Rsquare? Comment on value.
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