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Question: Insurance fraud? Jocko's Garage has been accused of insurance fraud. Data on estimates made by Jocko and another garage were obtained for 10 damaged vehicles. Here is what the investigators found:
(a) Compute the mean estimate for Jocko and the mean estimate for the other garage. Report the difference in the means and the 95% confidence interval. Choose the appropriate t procedure for your analysis and explain why you made this choice.
(b) Use the bootstrap to find the confidence interval. Be sure to give details about how you used the bootstrap, which options you chose, and why.
(c) Compare the t interval with the bootstrap interval.
The manufacturer wants to draw a random sample and estimate the proportion of all defective disks. How large should the sample be to ensure that the standard deviation of the estimator is at most 0.03?
The Bureau of the Census reports that the average commuting time for citizens of both Baltimore, Maryland, and Miami, Florida is approximately 29 minutes (uMiami=29 and uBaltimore=29 minutes).
a researcher wants to find out how college students feel about their social security system. which of the following
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two competing semiconductor manufacturers offer a 1n4740a zener diode which is specified as having a voltage of 10v and
Is there any evidence to suggest that the true proportion of Canadian households that are too much in debt is greater than 14%? Use a = 0.05. Write a Solution Trail for this problem.
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MATH 221 Statistics for Decision Making iLab. Give and interpret the 95% confidence interval for the hours of sleep a student gets
In a recent study of 86 working adults, the mean number of hours per week spent talking on the phone was 21.6. The sd= 5.7 hours.
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In the Health ABC Study, 595 subjects owned a pet and 1939 subjects did not.23 Among the pet owners, there were 285 women; 1024 of the non-pet owners were women.
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