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SeaFair Fashions relies on its sales force of 220 to do initial screening of all new fashions. The company is presently bringing out new line of swimwear and has invited 40 salespeople to its Orlando home office. An issue of the constant concern to SeaFair sales office is the volume of orders generated by each and every salesperson. Last year the entire company average was $417,330 with standard deviation of $45,285. a. What shape do you think the distribution of all possible sample means of 40 will have? Discuss. b. Determine the value of the standard deviation of the distribution of the sample mean of all possible samples of size 40. c. Determine the probability that the sample of 40 will have a sales average less than $400,000. d. How would the answer to part a, b, and c change if the home office brought 60 salespeople to Orlando? Provide the respective answers for this sample size. e. Each year SeaFair invites the sales personnel with sales above the 85th percentile to enjoy a complimentary vacation in Hawaii. Determine the smallest sales level for the sales personnel who were awarded a trip to Hawaii last year. (Assume the distribution of sales was normally distributed last year).
What values can X take on? What values can Y take on?
Why do you think it's necessary to study the fundamentals of probability when learning statistics? Identify and describe an example of using probability in biostatistics
use the table below for questions 1-4.cust idorder idshipping costdelivery methoddelivery time hrscustomer
The National Institute of Mental Health published an article stating that in any one-year period, approximately 9.5 percent of American adults suffer from depression or a depressive illness. Suppose that in a survey of 100 people in a certain town, s..
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Descriptive Statistics and Z-scores
Find a peer-reviewed article that provides an example of a study that utilized a t-test for a single sample (on a topic of interest to you). Briefly describe the study and discuss its findings.
A particular district of your nation had a higher incidence rate for polio last year compared to the rest of the country. That region has been traditionally been resistant to vaccination efforts. You have commissioned a case-control study for the vil..
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