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An Olympic archer is able to hit the bull's-eye 84% of the time. Assume each shot is independent of the others. If she shoots 6 arrows:
a.) What is the probability that her first bull's-eye come on the fifth arrow?
b.) What is the probability that she gets exactly 4 bull's-eyes?
c.) How many bull's-eyes do you expect her to get out of the 6 arrows and what is the standard deviation?
d.) Now suppose the archer shoots arrows until she hits her first bull's-eye. How many arrows do you expect her to shoot?
What is the difference between a point estimate and an interval estimate? How would you calculate a confidence interval with a z test?
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Based on the data, determine the 95 percent confidence interval evaluate for true population mean?
A new president at Big State University has made student satisfaction with the enrollment and registrations process one of her highest priorities.
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
Standard deviation of the sampling distribution of sample proportion is 0.025. However, the report did not indicate what the sample size n was. What was it?
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