Suppose annual salaries for sales associates from a particular store have a mean of $20,000 and a standard deviation of $2,000. Use Chebyshev's theorem to calculate the percentage of sales associates with salaries between $18,000 and $22,000.
At least 89% |
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About 68% |
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At least 75% |
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About 95% |
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None of the above |
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