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For this set of numbers: 40 40 45 43 48 45 40 40 40 40 40 40 40 48 43 40 43 40 40 45 what is the mean, standard deviation, and variance and display the calculations.
During nine days in a festival, the highest sale of a shop was on sunday and was 900„5 more than the average sale for other days. If the standard deviation of the sale during the festival is 33.33, find the standard deviation leaving that the highes..
The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis?
Ms Lisa is the budget director for the New Process Company. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample info:
What is the probability that he or she will be a problem gambler who does not play poker machines (rounded to 3 decimal places)?
Consider the financial market with N = 1, M = 1, r = 0, S1(0) = 100, S1(1) = 130, 110, or 80, all with positive probability. Find all possible risk-neutral probability measures.
a. Include a screen shot of your parent population and your two distributions of sample means here. b. How are your two distributions of sample means similar? How are they different?
Use a one-sided, left-tailed hypothesis test to show that there is evidence to suggest the mean width of littlenecks has decreased. Assume the population of littleneck widths is normal and use a = 0.01.
An instructor implements a new teaching strategy in the classroom by using a teaching strategy to teach a sample of six students.
For a school project, he will display an equal number of each kind of stamp on a small poster boards. What is the greatest number of poster boards Adam can make if he uses all of the stamps?
Is there any evidence that the population variance in aerosol light absorption coefficient is greater in Africa than in South America? Use a = 0.05 and assume normality.
A City Survey states that 70 percent of all business owners favor increasing the parking fees. The city has commissioned a random sample of n = 100 business owners.
The sample proportion of grandparents as primary caregivers(p-hat) is to be calculated. What is the standard deviation of the sampling distribution of p-hat?
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