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A presidental candidate conducts a poll of likely voters in Ohio to determine their mean age answer the following
1. Describe the population being studied
2. Describe the population parameter being studied.
3. Describe a specific sampling method that could be used in this study to generate an unbiased data set.
question the gallup organization contacts 1709 adult men who are 40 to 60 yrs of age and live in the united states
In a sample of 10 workers, what is the probability that exactly three workers take the public transport daily? [Hint: It is a Binomial Distribution Problem.]
It is estimated that 2% of the athletes competing in a large tournament are users of an illegal drug to enhance performance. The test for this drug is 95% accurate. What is the probability that an athlete who tests positive is actually a user?
two dice are rolled and the two resulting values are multiplied together to form the quantity z. what are the expected
if you assume returns follow a normal distribution, which investment has a better chance of giving you $40 million in returns.
If the politician is correct, what is the chance that you would observe 9 or fewer accidents involving a teenage driver?
An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are normally distributed with a mean of 580 and a standard deviation of 120.
Prepare a report for the customer that presents the expected value in points of each throw of the darts, and then present a graphic representation.
A company sells two products (Product 1 and Product 2) that tend to be substitutes for each other. That is, if a customer buys Product 1, she tends to not buy Product 2, and vice versa.
Calculate the sample statistic and standard error you will use to create the test statistic.
You have just started own airline. You have one plane for a route connecting Austin, Boise, and Chicago. One route is Austin-Boise-Chicago and a second route is Chicago-Boise-Austin.
Four students riding to school together offer a the excuse of a flat tire on their car for missing a test. On the makeup test, the professor asks the students to each identify the tire that went flat.
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