Professors at a Local University Earn an Average Salary of $80,000

question 81

Multiple Choice

Professors at a local university earn an average salary of $80,000 with a standard deviation of $6,000.Using Chebyshev's inequality,the percentage of salaries falling between $68,000 and $92,000 is at least __________.

• A) 65%
• B) 68%
• C) 75%
• D) 95%

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