Confidence interval of the true mean weight
Twelve squirrels were found to have an average weight of 10.1 ounces with a sample standard deviation is 0.10. Find the 95% confidence interval of the true mean weight.
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Further, the 0.95 degree of confidence is to be used. In past elections, the representative received 40 percent of the popular vote in that area of the state. She doubts whether it has changed much. How many registered voters should be sampled?
Population mean, rewrite in the following alternative format with left and right endpoints: Would a given mean value of 79.56 be likely, given the calculated confidence interval?
Develop a research base for the proposed solution that is sufficient to support its use. ?Provide a sufficient and compelling research base for the proposed solution.
Determine how many standard deviations/standard errors (z) the sample proportion with (140) exhibiting the attribute/characteristic of interest from a sample of 384 is from the population proportion (0.68) for a very large population.
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The room sprayed with spray 1 and 52 dead insects in the other room. Calculate a 95% confdence interval for the diffference in proportions of dead insectsfrom the two sprays.
Compute the projected profit for the order quantities suggested by the management team under three scenarios: worst case in which sales = 10 000 units, most likely case in which sales = 20000 units, and best case in which sales = 30 000 units.
Describe the sources of differences in ethics between people, companies and nations.
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