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Suppose you are one of n students in a class.
a) What is the chance that at least one other student has the same birthday as yours?
b) How large does the class have to be to make this probability at least 1/2?
c) Explain the difference between this problem and the birthday problem.
Find the new optimal reserve prices for each of the distributions above. If the numbers are different from those calculated in (a), (b) and (c) above, explain why this does not contradict the fact that the optimal reserve price is independent of t..
the national safety council reported that 52 percent of american turnpike drivers are men. a sample of 300 cars
Prepare a paper examining a regression analysis on your collected data. Begin by describing the research issue, problem, or opportunity and the accompanying data. Then, perform a regression analysis on your data.
Technology and the Internet In early 2013, Cree, Inc., introduced a new, cheap LED light that uses much less electricity and is designed to last for years.
Midnight blue and dark green are the two most popular colors. How many different backpacks in these colors does the company offer?
In a population distribution, a score of X =28 cor- responds to z = 21.00 and a score of X =34 cor- responds to z = 20.50. Find the mean and standard deviation for the population.
The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average diameter of these pipes.
a. Interpret the slope coefficient, b1.b. Explain why the intercept term (b0) does not have a meaningful interpretation.
A standard deviation of 1.9 pounds. What is the 95 percent confidence interval for the true mean weight, u, of all packages received by the parcel service?
In the year 2006 the mean fare to fly from Charlotte, North Carolina, to Seattle, Washington, on a discount ticket was $267. A random sample of round-trip discount fares on this route last month gives:
Arrows. An Olympic archer is able to hit the bull s-eye 80% of the time. Assume each shot is independent of the others.
questionthe following artificial data record the length of stay in days spent on a psychiatric ward for 28
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