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In Illinois' Pick 3 game, you pay 50 cents to select a sequence of digits out of 1000 possibilities. If you select the same sequence that is drawn, you collect $250.
a. What is the probability of winning?
b. If you win, what is your net profit?
c. Find the expected amount of money you'll win.
d. Is this game favorable to you?
Describe multiple regression analysis and discuss potential uses for this model
the shape of the distribution of the time required to get an oil change at a 10-minute oil-change facility is unknown.
Provide an estimate, standard error, an 80 percent con?dence interval, and a 95 percent con?dence interval for θ.
a sales manager collected the following data on annual sales and years of experience. sales
A space vehicle requires five out of its six main engines to operate in order to achieve orbit. If each engine has a reliability of 0.99, determine the reliability of achieving orbit.
A population has a standard deviation of 16. If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within 2 of the population mean?
Suppose this survey was conducted using 374 men and 481 women. Do these data show enough evidence to support the conclusion that there is no difference in the proportion of men and women who think weight is a factor in purchasing a laptop? Use a 5..
Write a two-to three-page short paper (10 percent of your total grade) comparing and contrasting the presentation of a historical event by two different historians. Historians do not only provide accounts of events (themes, eras, people);
four types of solar energy collectors were collected. the data is in the accompanying file.a construct an anova table.b
In a poll of n = 200 randomly selected individuals, 60 people said they are opposed to the death penalty for persons convicted of murder. Determine the margin of error for a 95% confidence interval on the true proportion opposed to the death pena..
Emma's On-the-Go, a large convenience store, has to decide where in the store to put its magazine rack. The manager at Emma's experiments with a selection of different locations, choosing a sample of days at each location.
At a fair run by a local charity organization, it costs 50 cents to try one's luck in drawing an ace from a deck of 52 playing cards. What is the expected profit per customer
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