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A local university reports that 3% of their students take their general education courses on a pass/fail basis. Assume that fifty students are registered for a general education course.
a. What is the expected number of students who have registered on a pass/fail basis?b. What is the probability that more than three are registered on a pass/fail basis?c. What is the probability that less than four are registered on a pass/fail basis?
Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.
Explain why the polls that are so frequently quoted during early returns on Election Day TV coverage are an example of cluster sampling.
How is regression analysis used in forecasting? Provide examples. How may it be used to formulate strategies?
In fact, the amount of coverage is known to be approximately normally distributed with a standard deviation of 25 square feet. How large a sample should be taken to estimate the true mean coverage of all 1-gallon cans to within 5 square feet with ..
Provide an example of an independent sample and or a related sample that might be appropriate for use in your organization.
Fit a least squares trend line to the merger data. What type of trend (linear or curved) might best fit to this time series? Compute the forecast for year 20 based on the trend (linear or curved) that best fits the data?
On average, you receive 2 telemarketing calls per day. What is the probability that you will not receive any telemarketing calls today.
Find the probability that he will answer at least 3 questions correctly.
Develop a pie chart to summarize these contributions. Develop a bar chart to summarize these contributions and why is it appropriate to construct a bar chart for these data instead of a histogram?
Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?
Suppose that you wish to test the effect of lowering the soil ph on the number of lady ferns in an area. The researchers hypothesize that lowering the ph-level of the soil will lead to more ferns.
Four students riding to school together offer a the excuse of a flat tire on their car for missing a test. On the makeup test, the professor asks the students to each identify the tire that went flat.
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