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An object is in simple harmonic motion. Find an equation for the motion given that the frequency is 4/π and at time t = 0, y = 0, and y' = 8. What is the equation of motion?
Find the probability that the toll collector will have to wait longer than 26.30 minutes before collecting the 8th toll.
Construct a 95 percent confidence interval for the population proportion of positive drug tests. May you assume that this is a normal distribution? Explain why.
What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?
explain how the power of a hypothesis test is influenced by each of the following. assume that all other factors are
The proportion of drivers who use seat belts depends on things like age, gender, ethnicity, and local law. As part of a broader study, investigators observed a random sample of 117 female Hispanic drivers in Boston; 68 of these drivers were wearin..
In multi-choice test, each question has four options. Students wil get 10 points for each correct answer; lose four points for each incorrect answer; and receive no points for unanswered questions.
The changing ecology of the swamps in Louisiana has been the subject of much environmental research. One water-quality parameter of concern is the total phosphorous level.
A month of sales data are collected on sales of different types of computer products Run the t-tests to determine:
Expalin what would be the appropriate statistical procedure to test the following hypothesis: Triglyceride values are a good predictor of weight in obese adults.
The F-value is a ratio of two variance estimates. What variance is used as a numerator of the ratio?
Each home was 24 and the standard deviation of the sample was 5 people. Develop a 98 percent confidence interval for the population mean.
This paper is a detailed and comprehensive review of statistical research performed by others on a business related topic of the student's choice.
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