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A life insurance policy has determined that each week an average of seven claims is filed in its Nashville branch.
what is the probablity that durning the next week exactly seven claims will be filed?what is the probablity that next week no claims will be filed?what is the probablity that next week fewer than four claims will be filed?what is the probablity that next two weeks exactly seveteen claims will be filed?
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.
A researcher is asked to determine the likelihood that a new medication for arthritis works better than a similar medication that's been around for a decade. How would the researcher approach this assignment?
For each of the given population would the score of X=50 be considered central score (near middle of distribution) or extreme score (far out in the tail of the distribution )?
Test to determine whether the correlation in the population is zero, versus the alternate hypothesis that the correlation is greater than zero. Use the 0.05 significance level.
A mean of 2.25 ounces and a standard deviation of 0.15 ounce. Between what two values (in ounces) symmetrically distributed around the population mean will 80% of the apples fall?
An auditor reviewed 25 oral surgery insurance claims from a particular surgical office, determining that the mean out-of-pocket patient billing above the reimbursed amount was $275.66 with a standard deviation of $78.11.
Provide an example and explain. Why do statisticians play only a limited role in deciding whether statistical significance requires a business action?
Determine whether the method of delivering teaching influences adherence with antiretroviral therapy.
What is the probability that at least 2 out of 5 randomly selected people in the study will pay more than the amount found in part (a)?
Now they need your help to determine if the mean number of news shows watched in your neighborhood is similar to the national mean.
How do the graphical and computer-based methods of solving LP problems differ? In what ways are they the same? Under what circumstances would you prefer to use the graphical approach?
A quality control engineer selects a part to be tested. The part is then declared acceptable, repairable, or scrapped. Then another part is tested. List all the possible outcomed of this experiment.
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