Exhibit 8-3.Professors of Accountancy are in high demand at American universities.A random sample of 28 new accounting professors found the average salary was 135 thousand dollars with a standard deviation of 16 thousand dollars.Assume the distribution is normally distributed. Refer to Exhibit 8-3.Construct a 90% confidence interval for the salary of new accounting professors.Answers are in thousands of dollars.
A) [107.7520,162.2480]
B) [129.8506,140.1494]
C) [130.0260,139.9740]
D) [131.0268,138.9732]
Correct Answer:
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