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The following data are salaries of seven randomly chosen managers of furniture-making ?rms and eight randomly chosen managers of paper product ?rms. The data are in thousands of dollars per year.
Furniture: 175, 170, 166, 168, 204, 96, 147
Paper products: 89, 120, 136, 160, 111, 101, 98, 80
Use the Wald-Wolfowitz test to determine whether there is evidence that average owner salaries in the two business lines are not equal.
The average cost of a renting a compact size car in a major metropolitan area is R51.74 with a standard deviation of 7.48. Assume a normal distribution.
1. you are tracking correlation of two funds fund a and fund b. examining current quarter data to date the probability
Based on this data can the college conclude that the students in the new program performed better than the rest of the class> A one-tailed test is used equalling .05
Any state auto insurance company took a random sample of 370 insurance claims paid out during a 1-year period. the average claim was $750 with a standard deviation of $150. find .99 confidence interval for the mean claim payment.
Linear Optimization.
a sample of 100 people is classified by gender malefemale and by whether or not they are registered voters. the sample
a standard 6-faced die is rolled twice in an experiment. let a and b be the outcome of the 1stnbspand 2ndnbsprolls
Students in the capstone business policy class are assigned to teams of three. In how many different ways could a team contain exactly one student from each concentration?
A new president at Big State University has made student satisfaction with the enrollment and registrations process one of her highest priorities.
an opinion poll asks an srs of 100 college seniors how they view their job prospects. in all 53 say good. the plus four
at a publishing company the mean age of proofreaders is 36 years old and standard deviation is 4 years. assume the
freshmen, 15 sophomores, 10 juniors, and 5 seniors. One student is randomly selected to deliver a petition to the school administration. Call A the event that occurs of the student is a freshmen and B the event that the student is a sophomore.
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