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The diameters of tennis balls are distributed normally. The mean is 2.7 inches and the standard deviation is 0.3 inches. Find the probability that the diameter of a selected bearing is greater than 3 inches. (Round your answer to 2 decimals) Please show your work.
A training director for a large company has been told that, on completion of the training course, the average score of her trainees on the final evaluation
How does the competitive success of Ord's kangaroo rat change in the absence of coyotes? Propose one possible cause for the decline in rodent diversity in the control areas after treatment begins.
A spring has a nonlinear force law such that the force necessary to compress the spring is given by: What is the chance that 1 item out of 30 would remain as 1 of the last 2 items if an item is removed 1 at a time?
Carry out a complete analysis of variance, and report your results in the form of a memorandum. State your hypotheses and your conclusions. Do you believe there are differences among the three models? If so, where do they lie?
A sample of 23 European countries found that the variance of life expectancy was 7.3 years. What is the 95% confidence interval estimate for the variance of life expectancy in Europe?
a lumber mill is tested for consistency by measuring the variance of board thickness. the target accuracy a variance of
Use the results obtained for the data of Example 9 and the result of part (b) of Exercise 40 to construct 99% limits of prediction for the sales price of a three-bedroom house with two baths in the given housing development.
Suppose we have the following information from a single regression: What is the coefficient of determination? What is the correlation coefficient?
Find the number of seats each restaurant should have in order to have a probability greater than 95 % that it can serve all patrons who come to it
the father of a junior high school student wants to determine the most popular book among junior high students. select
Then comment on the effectiveness of the presentation: Were the frequency distributions used effectively to report the results? Why or why not?
For the biology midterm, the mean score was 70 with standard deviation of 5. Which score was the higher with respect to the rest of the class? Explain your answer
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