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Suppose that the quarterly sales levels among health care information systems companies are approximatelynormally distributed with a mean of 8 million dollars and a standard deviation of 1.2 million dollars. One health care information systems company considers a quarter a "failure" if its sales level that quarter is in the bottom 15% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" by that company and quarters that are not. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.
the regression equation relating putting distance in feet and success rate percent for golfers based on 11 distances
suppose a point xy is chosen at random from the disk x2 y2 lt 1. find a the marginal density of x and b the
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
Determine the coefficient of correlation. Interpret the relationship between BAC and age using the correlation coefficient. Determine the coefficient of determination. Interpret.
joe coach was curious to know if the average number of games won in a year predicts super bowl performance win or lose.
after a military campaign a random sample of 59 soldiers none of whom know each other was examined and the number of
A company has discovered that a recent batch of batteries had manufacturing flaws, and has issued a recall. You have 10 batteries covered by the recall, and 3 are dead. You choose 2 batteries at random from your package of 10.
one strategy for increased sat exam scores is to take the test study on weak areas then retake the test. based on the
Regression - What factors predict duration of dyspnea in elders with heart failure?
Let's assume that I, your instructor, have tired of teaching and I go into another career as an inventor. I have invented a machine to teach young kids how to shot basketball free throws. I am just about to receive my patent on my machine, but nee..
Assume that correlation coefficient between 2 variables is nearly zero. What does this say about relationship between them?
The weight of a product is normally distributed with a mean of four ounces and a variance of .25 "squared ounces." What is the probability that the randomly selected unit from a recently manufactured batch weighs no more than 3.50 ounces.
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