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HR Consulting surveyed a random sample of 74 Twin Cities construction companies to find information on the costs of their health care plans. One of the items being tracked is the annual deductible that employees must pay. The Minnesota Department of Labor reports that historically the mean deductible amount per employee is $502 with a standard deviation of $120.
Compute the standard error of the sample mean
Each time marksman i fires he hits the target,independently of the past, with probability P i,i=1,2,3. Determine the proportion of time, in the long run, that each marksman shoots.
If he rolls 25 games with the new ball, averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?
in a survey 600 mothers and fathers were asked about the importance of sports for boys and girls. of the parents
If one of the 1200 pacemakers is randomly selected and is found to be defective, what is the probability that it was manufactured in Atlanta?
When estimating the mean of a population, how large must the sample be in order that the 95% error margin is 1/8 the standard deviation?
sixty percent of all vehicles examined at a certain emissions inspection station pass the inspection. assuming that
He observes how many people play on each court on a particular day. Compute the expected value for the data shown below.
In a random sample of 35 trading days, the volume of a particular stock is recorded to determine whether the mean volume of the stock changed from its 2007 value of 35.14 million shares.
Illustrative Example 1 of this section dealt with a random sample of size n = 2 from a gamma distribution with « = I, fJ = 6. Thus the m.g.f. of the distribution is (I - 8t>- 1, t l /8, 8 > 2. Let Z = X1 + X2
I have a problem that wants to know the sample size of Illinois republican voters, they want to know the sample size with 95% confidence and 3% margin of error, not sure how to get started.
ten weeks of data on the commodity futures index are 7.35 7.40 7.55 7.56 7.60 7.52 7.52 7.70 7.62 and 7.55.a construct
analyze three accounting standards promulgated by the fasb and show how economic consequences rather than
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