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Probability
Market Researchers, Inc. has been hired to perform a study to determine if the market for a new product will be good or poor. In similar studies performed in the past, whenever the market actually was good, the market research study indicated that it would be good for 85% of the time. On the other hand, whenever the market actually was poor, the market study incorrectly predicted it would be good 20% of the time. Before the study is performed, it is believed there is a 70% chance the market will be good. When Market Researchers, Inc. performs the study for this product, the results predict the market will be good. Given the results of the study, what is the probability that the market will be good?
Find the test value for two population variances
The personal savings of the Young Saver Club were normally distributed with a mean of $775 and a standard deviation of $88
Find the 99 percent confidence interval on the proportion of all such gloves that are shorter than nine inches.
Calculate an exponentially smoothed forecast, using an alpha value of .30.
Read the Nature article, Sustainable Trophy Hunting of African Lions and discuss any challenges in the analysis. Can you think of another ways to do the regression analysis?
Define the variables, determine the slope and vertical intercept, and write an equation to model this data and evaluate the table of values of earning using the given data.
Using law of cosines for solving the problem.
Prove the given Φ is either a trival homomorphism or 1- 1.
A corporation is considering a new issue of convertible bonds. Management believes that the offer terms will be found attractive by 20% of all its current stockholders. Suppose that this belief is correct. A random sample of 144 current stockholde..
As reported by Runner's World magazine, the times of the finishers in the New York City 10-km run are normally distributed with a mean of 61 minutes and a standard deviation of 9 minutes. Let X be the finishing time for a finisher in the New York ..
Formulate the above as linear programming problem. Solve (a) by graphical method. Solve using simplex method.
In the class, there are 12 freshmen, of whom 8 are males and 15 sophomores, of whom 5 are females. If one student is selected at random, what is the probability of selecting a freshman or a female?
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