In a Large Lecture Class, the Professor Announced That the Scores

question 96

Multiple Choice

In a large lecture class, the professor announced that the scores on a recent exam were normally distributed with a range from 51 to 87. Using the Empirical Rule μ ± 3σ to estimate σ, how many students would you need to sample to estimate the true mean score for the class with 90 percent confidence and an error of ±2?

• A)About 17 students
• B)About 35 students
• C)About 188 students
• D)About 25 students

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Distributors who place products in stores on consignment and retain ownership of the products while managing inventory and setup.

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