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A certain state lottery awards 418 prizes; 28-$200 prizes, 120-$25 prizes and 270-$20 prizes, for every 10,000 tickets sold.
a.) Determine what the expected winnings per ticket; over the long term? (Expected value) Explain.
b.) What is the minimum the lottery should charge per ticket if they expect to make a profit?
If a garage is robbed, what is the probability the doors were left open?
Set-up/solve the problem graphically. (How many ceiling fans and how many floor fans should be made?)
An independent researcher has decided to study variations in TV viewing habits among three American cities. She has managed to randomly sample households in Chicago, Atlanta, and Minneapolis and gather data on the daily "on" times for households o..
The booster club has gotten several businesses and car dealers to donate gasoline and cars for the college students to use to make a maximum of 575 personal contacts daily during the fund-raising drive. The college student will donate a total of 2..
write down the hypothesis the test used the p-value and the interpretation then hand calculates a 95% CL for the odds ratio estimate on this last test.
What is the probability that the police will strike and the firefighters will not? What is the probability that the firefighters will strike and the police will not?
College students are a major target for advertisements for credit cards. At a university, 65% of students surveyed said they had opened a new credit card account within the past year.
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
Explain the results plot the original data and the fitted regression equations.
Aggregate the opinions of the experts by computing the minimum, maximum, 25 th percentile, 50 th percentile, and 75 th percentile values.
A sample of eight male professionals has an average yearly salary of $52,165. Find the average yearly salary for the 11 people.
A recent article in the Myrtle Beach Sun Times reported that the mean labor cost to repair a colour television is $90 with a standard deviation of $22. Monte's TV Sales and Service completed repairs on two sets this morning. The labor cost for the..
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