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Scenario 1: You have worked at your company for eleven (11) years. You have returned to college to earn a Bachelor's degree in order to increase your chances for a promotion. You are nearly finished with your degree, when a supervisor's position in a competing company becomes available in another state. The start date is in two (2) weeks, during your final exam period for your courses. The position offers a $15,000 per year salary increase, a car allowance, and relocation expenses. Your former supervisor works for the company and is recommending you for the position based on your outstanding job performance; if you want the job, it's yours. All of the other supervisors at this level in the company have Master's degrees, so you know that you would be expected to earn your Bachelor's degree and continue on to a Master's degree. Your present company offers tuition reimbursement, but the new company does not.
what is the post-test probability of disease being present in a patient with a positive test result for test A if a cutoff value of 4.0 mg/ml is chosen?
The aim of this workshop is to give you some experience using standard statistical treatments of data using statistical software. The package we will use for this workshop is Minitab.
Why do we do power calculations with single sample z test? A) Because we can use Z area tables to calculate the power. B) Because comparing a sample mean against a population mean is very powerful
In studying the behavior of air support roofs, the random variables X, the inside barometric pressure (in inches of mercury) and Y, the outside barometric pressure are considered. Assume that the joint density is given by
a box contains 10 balls numbered 12...10. two balls are selected at random without replacement.a find the probability
robert stands three times on a pair of scales in a period of 5 minutes. the first time he weighs 92kg the second time
Create the 95% confidence interval for portion of respondents who feel president is doing a good job. Based on the intervalin part(a), It is sensible to conclude that majority.
Formulate a hypothesis statement for the following claim: "The average adult drinks 1.7 cups of coffee per day." A sample of 35 adults drank an average of 1.95 cups per day. Assume the population standard deviation is 0.5 cups. Using α = 0.10, tes..
Let X 1 , X 2 , X 3 , X 4 be a random sample from a Poisson distribution with parameter λ and let Y = X 1 + X 2 + X 3 + X 4 . You decide to test λ = 1.60 versus λ
Construct a 95% confidence interval for the average amount its credit card customers spent on their first visit to the chain's new store in the mall assuming that the amount spent follows a normal distribution.
last year a soft drink manufacturer had 21 of the market. in an effort to increase their portion of the market the
the concept of type i and type ii error is critical and will come into play with each and every statistical test you
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