Suppose that you live near a McDonald's restaurant and you want to estimate the proportion of all
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Question:
Suppose that you live near a McDonald's restaurant and you want to estimate the proportion of all people in your neighborhood who go to McDonald's on a typical day.
a. If you had no preliminary estimate for p , how many people should you include in a random sample to be 95% sure that the point estimate p will be within a distance of 0.05 from p?
b. Answer part a if you use the preliminary estimate that nationally about 1 in 20 Americans goes to McDonald's every day.
Related Book For
Business Statistics
ISBN: 978-0321925831
3rd edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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