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A sample of the salaries of assistant professors on the business faculty at a local university revealed a mean income of $127,000 with a standard deviation of $10,100. Assume that salaries follow a bell-shaped distribution. Use the empirical rule to answer the following questions. a. Approximately what percentage of the salaries fall between $116,900 and $137,100? Percentage of returns b. Approximately what percentage of the salaries fall between $106,800 and $147,200? Percentage of returns c. Approximately what percentage of the salaries are greater than $147,200? Percentage of returns %

A sample of the salaries of assistant professors on the business faculty at a local university revealed a mean income of $127,000 with a standard deviation of $10,100. Assume that salaries follow a bell-shaped distribution. Use the empirical rule to answer the following questions. a. Approximately what percentage of the salaries fall between $116,900 and $137,100? Percentage of returns b. Approximately what percentage of the salaries fall between $106,800 and $147,200? Percentage of returns c. Approximately what percentage of the salaries are greater than $147,200? Percentage of returns %

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A sample of the salaries of assistant professors on the business faculty at a local university revealed a mean income of $127,000 with a standard deviation of $10,100. Assume that salaries follow a bell-shaped distribution. Use the empirical rule to answer the following questions. a. Approximately what percentage of the salaries fall between $116,900 and $137,100? Percentage of returns b. Approximately what percentage of the salaries fall between $106,800 and $147,200? Percentage of returns c. Approximately what percentage of the salaries are greater than $147,200? Percentage of returns | %
Transcribed Image Text:A sample of the salaries of assistant professors on the business faculty at a local university revealed a mean income of $127,000 with a standard deviation of $10,100. Assume that salaries follow a bell-shaped distribution. Use the empirical rule to answer the following questions. a. Approximately what percentage of the salaries fall between $116,900 and $137,100? Percentage of returns b. Approximately what percentage of the salaries fall between $106,800 and $147,200? Percentage of returns c. Approximately what percentage of the salaries are greater than $147,200? Percentage of returns | %
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