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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Archery. A champion archer can generally hit the bull’seye 80% of the time. Suppose she shoots 200 arrows during competition. Let represent the percentage of bull’s-eyes she gets (the sample proportion).
a) What are the mean and standard deviation of the sampling distribution model for?
b) Is a Normal model appropriate here? Explain.
c) Sketch the sampling model, using the 68–95–99.7 Rule.
d) What’s the probability that she gets at least 85% bull’s-eyes?
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