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A sample of 45 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.10 significance level.
What is the value of the test statistic? What is the p-value?
a bank is trying to determine which of two machines should be rented to process checks. machine 1 rents for 10000 per
in a game of chance a number of draws are made with replacement from a box of tickets 500 of these tickets are labeled
a what is the probability that two is the lowest number thrown?b what is the probability that five is the highest
Reject H0 at β β = .01; there is evidence of a difference between the mean voter turnouts for urban, suburban, and rural precincts.
a machine makes a product with 5 of units having faults. in a sample of 20 units what is the probability that at least
starting positions for business and engineering graduates are classifies by industry as shown in the previous
Develop a model to predict the selling price of homes based on assessed value
A statistic practitioner working for Major League Baseball determined the probability that the hitter will be out on ground balls is .75. in a game where there are 20 ground balls, find the probability that all of them were out.
A supplier of 3.5" disks clams that only 1% of the disks are defective. In a random sample of 600 disks, it is found that 3% are defective, but the supplier claims that this is simply a sample fluctuation. At the 0.01 level of significance, test t..
A random sample of 10 miniature Tootsie Rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were:
you wish to conduct an anova one wayomnibus. in order to insure you have enough power to detect differences in your
What is the probability that the income is between $1,000 and $1,800? (Be able to draw a graph to illustrate your results)
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