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A subway train on the Red Line arrives every 10 minutes during rush hour. We are interested in the length of time a commuter must wait for a train to arrive. The time follows a uniform distribution.
State "70% of commuters wait more than how long for the train?" in a probability question. (Enter your answer to one decimal place.)
Find the probability that the commuter waits more than ___ minutes.
Discuss the beginnings of the Cold War. From the position of a Soviet ruler, how might you have viewed the situation following WWII? How did the Truman administration attempt to handle it? (Include as many of the following as you can: containm..
Electricity is commonly traded at the California-Oregon border (COB) and Palo Verde (PV) in Arizona. Assume you take a sample of 100 daily electricity market closing prices (in $/megawatthour) from both COB and PV.
What are the differences between probability distribution functions and probability density functions? Why do we care?
This variant of the lost boarding pass puzzle is due to the Danish mathematician Henning Makholm.
Suppose one morning you pick two eggs for lunch at random from a dozen eggs in your refrigerator, thinking that they are all hard-boiled.
Determine the value of the standard deviation of the distribution of the sample mean of all possible samples of size 40.
assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 15.find
The increasing number of traveling business woman represents a large potential clientele for the hotel industry. Many hotel chains have made changes designed to attract more woman.
if two voters are randomly selected for a telephone survey, what is the probability that they one is a Democrat followed by a Republican? Round your answer to 4 decimal places.
Compute the cofficient of determination. Compute the correlation coefficient between the price and the number of pages.
Develop one research question from which you will formulate a research hypothesis - prepare a two to four page paper describing the results of a hypothesis test of one or two population means or population proportions.
what is the probability of selecting a sample mean of 7 or less , with a sample population of 9 and mean of 10 and a standard deviation of 3.
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