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The average number of daily emergency room admissions at a hospital is 85 with a standard deviation of 37. In a simple random sample of 30 days, what is the probability that the mean number of daily emergency admissions is between 75 and 95?
Explain what these terms mean in describing the distribution of the sales reps' salaries.
Pepsi wanted to test to determine if the males preferred Pepsi more than the females. (a) PConduct the appropriate test and describe the results (ick your own alpha value)
Specify the null and alternative hypotheses you would use to determine if the opinions of Internet users are evenly divided among the four categories.
What is an appropriate null hypothesis to compare the quality of the product manufactured in the overseas plants and the U.S. plants? Why?
Why might the assumption of independence be violated? (b) Why might a driver be tempted not to use a seat belt "just on this trip"?
Choose any Markov Chain with a 3x3 transition matrix that is irreducible and aperiodic. The reason it needs to be irreducible and aperiodic is because we are looking for a Markov Chain that converges.
Assume the least squares equation is Y' = 10 + 20X. What does the value of 10 in the equation indicate?
They select every 20th person from the list until a sample of 100 is obtained. They then call these 100 people. Does this sampling plan result in a random sample? Simple random sample? Explain.
10 cobalts are ramdomly selected and the miles per gallon for each car are recorded. What is the probability that the mean miles per gallon exceeds 34 miles per gallon?
Create a set of data that can be modeled as a polynomial function. Please provide a reference to the data. Plot the data using Microsoft Excel including the equation for the fit. Discuss how closely the data seem to match to the best fit line.
Determine the probability that employee will make 28 or more sales during 100-call shift? Allocate a Random Variable x.
The following represents a project that should be scheduled using CPM. What is the probability of completing this project within 16 days?
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