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In a recent year, 8,032,844 male students and 9,381,579 female students were enrolled as undergraduates. Receiving aid were 64.1% of the male students and 65.7% of the female students. Of those receiving aid, 41% of the males got federal aid and 51.1% of the females got federal aid. Choose 1 student at random (Hint: Make a tree diagram.) Please round the final answer to 2 or 3 decimal places.
Find the probability of selecting a student from the following.
A male student with aid.
P(male with aid)=
Mr. price Home analyzed the value of purchase made on credit by a sample of 25 credit card customers. The simple mean was found to be R170.08 with a sample standard deviation of R21.90. Assume purchase values are normally distributed.
For a sample data set, the slope b of the regression line has a negative value. Which of the following is true about the linear correlation coefficient.
What would be considered a threat from the competitive or the economic environment? What about an opportunity?
A woman makes long-distance calls with the help of her cell phone according to a Poisson process with rate λ. Suppose that for each long-distance call billed, the next call is free and that we fix the origin at the moment when a call has just been..
Determine the external labor supply available this year in five different states by using statistics from the bureau of labor statistics website(www.bls.gov).
Find and sketch the probability density function of ? = tan-1 (Y/X) if X and Yare independent random variables, each normally distributed with mean 0
For many years, the New York subway had no air conditioning on the grounds that the average trip was only 15 minutes, and 15 minutes without air conditioning
A large auto body shop records the odometer readings from its customers. The distribution of miles driven per year of all of their customers has a mean of 14,000 miles and a standard deviation of 4000. If we take an SRS of 12 cars, what is the pro..
the random variable x representing the number of cherries in a cherry puff has the following probability
They want to be 95% confident in their estimate within 2.5% Assuming set up costs are expensive compared to the actual sampling, what size sample would then need to achieve these results at a 60% response rate?
according to the national institute on alcohol abuse and alcoholism niaaa and the national institutes of health nih 41
A cellular phone company is looking for ways to improve customer satisfaction. They want to select a simple random sample of four stores from their 15 franchises in which to conduct customer satisfaction surveys.
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