Mean and standard deviation of sampling distribution model

Reference no: EM131421896

A champion archer can generally hit the bull s-eye 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?

Reference no: EM131421896

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