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Eligibility. A university requires its biology majors to take a course called BioResearch. The prerequisite for this course is that students must have taken either a Statistics course or a computer course. By the time they are juniors, 52% of the Biology majors have taken Statistics, 23% have had a computer course, and 7% have done both.
a) What percent of the junior Biology majors are ineligible for BioResearch?
b) What's the probability that a junior Biology major who has taken Statistics has also taken a computer course?
c) Are taking these two courses disjoint events? Explain.
d) Are taking these two courses independent events? Explain.
Citrus Rental is a popular car rental agency that has a history of having too few cars available, so that its available cars are overdriven. The mean monthly mileage over the years for Citrus cars has been about 1550 miles per month.
1. Why did the analyst use only six binaries for days when there are 7 days in a week? 2. Why did the analyst use only two binaries for work shifts when there are actually 3? 3. Which day of the week is the busiest?
(a) Show for either the discrete case or the continuous case that the partial derivative of the joint momentgenerating function with respect to ti at t1 = t2 = ··· = tk = 0 is E(Xi).
Find the upper and lower control limits for x and r charts for the width of a chair seat when the sample grand mean (based on 30 samples of 6 observations each) is 27.0 inches, and the average range is 0.35 inches.
Organize the test data into a frequency table. Use classes of width 10, starting with 40.Include columns for both the frequency and the relative frequency. Use the frequency distribution in part (1) to create a frequency histogram of the data.Reme..
Obtain a number of tables, charts and diagrams used to describe quantitative information. Sources could include, for example, newspaper cuttings, building society pamphlets, textbooks or web search.
Estimate the number of cards in the sample for which Clara correctly guesses the suit by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.
Describe the standard normal distribution. Explain why it can be used to find probabilities for all normal distributions.
She also included an untrained control group. The dependent variable was the amount of information retained three months after training. Analyze the data in the table with an ANOVA, HSD tests, and f.
suppose the counselor found the sum of squared deviations from the mean of the sample to be 135. given that he tested
Explain how both sides might be correct, identifying the measure of center you think each side is using and why the difference might exist.
Using Ellis & Levy (2008), Harlow, E. (2009), and five additional peer-reviewed articles, review the scholarly literature on the relationship between theory and research and the ways research (quantitative and qualitative) can contribute to theory..
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