Distribution with density function
Suppose that x1, x2, x3, x4, and x5 is a random sample from a distribution with density function: f(x) =1/theta for 0c. What is the appropriate value of c? Answer is .9937.
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What is the z score for Indiana University? What is the z score for the University of Evansville?
What is the z score for Indiana University? What is the z score for the University of Evansville? Which school was more expensive to attend in 1995, relative to the cost of education in its own category?
Mileage tests were conducted on a randomly sample of 100 new tires. The avg. tread wear was 50000 miles with Standard Deviation of 3500 miles. What is the best estimate of the average tread life in miles of the tire? A) 50000. B) 4300. C) 34000.
Suppose that x1, x2, x3, x4, and x5 is a random sample from a distribution with density function: f(x) =1/theta for 0<x<theta. The null hypothesis theta=1 is to be tested against the alternative hypothesis theta=2 so that the significance le
You want to know if there's an association between college students' spring break destinations and what year they're in. You take a random sample of 405 college students and record the following data:
What conclusion would you draw about the relationship between these two variables if alpha(a) = .05? What conclusion would you draw about the relationship between these two variables if alpha(a) = .10?
Steve and his friends are relaxing at a local tavern. The number of drinks that Steve's table receives is Poisson distributed with an average of 9 drinks per 3 hours. Write out the distribution and parameters you are using in each part below.
Are X and Y independent? Calculate the cdf and pdf for R, the distance from the origin.
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