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Refer to the discussion of the Cash 5 lottery game in given Example and the accompanying Table.a. In what proportion of the games is the highest number 35 or more?
b. What is the median value of H for the 1560 Cash 5 games represented in given Example?
c. In what proportion of the games is the highest number 15 or less?
Example Winning the Lottery by Betting on Birthdays In the Pennsylvania Cash 5 lottery game, players select five numbers from the integers 1 to 39, and the grand prize is won by anyone who selects the same five numbers as the ones randomly drawn by the lottery officials. Suppose that in such a game, someone bets numbers corresponding to the days of the month on which five family members were born, which is anecdotally a common strategy.
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
What is the mean and standard deviation of the daytime waiting times? and what is the mean and standard deviation of the nighttime waiting times?
The following is a random sample of the wealth, in billions of U.S. dollars, of individuals listed on the Forbes "Billionaires" list for 2007.- Construct a 90% confidence interval for the average wealth in $ billions for the people on the Forbes li..
The only possible, mutually exclusive outcomes of the surgery are death, relief of symptoms, (angina, dyspnea), or continuation of symptoms. The probability of death is 0.02 and the relief of symptoms is 0.80. What is the probability that the pati..
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as a person who understands and uses statistics to solve problems in business you know that you must use the right
Studies have shown that humans complete a 1 mile run in an average of 12.2 minutes. There is a separate group of 30 who complete a 1 mile run with an average of 8.67 minutes with a standard deviation of 0.33 minutes.
a random sample of 15 college freshman were enrolled in a six week pilot program to improve writing skills. at the
A pharmaceutical company has developed a drug that is expected to reduce hunger. To test the drug, three samples of rats are selected with n=10 in each sample.
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