Question
PROBLEM 1 (25 points) Mall security estimates that the average daily per-store theft is less than $250, but wants to determine the accuracy of this
PROBLEM 1 (25 points)
Mall security estimates that the average daily per-store theft is less than $250, but wants to determine the accuracy of this statistic.The company researcher takes a sample of 81 clerks and finds that =$220 and s = $40.
a) Test at = .01
b) Construct a 90% CIE of
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Statistical Techniques in Business and Economics
Authors: Douglas A. Lind, William G Marchal
17th edition
1259666360, 978-1259666360
