The Completion Times for a Certain Marathon Race Was 2

question 18

Multiple Choice

The completion times for a certain marathon race was 2.9 hours with a standard deviation of 0.5 hours. What can you determine about these data by using Chebyshev's Inequality with K = 3?

• A)No more than 88.9% of the completion times are between 1.4 hours and 4.4 hours.
• B)At most 75% of the completion times are between 1.4 hours and 4.4 hours.
• C)At least 88.9% of the completion times are between 1.4 hours and 4.4 hours.
• D)At least 75% of the completion times are between 1.4 hours and 4.4 hours.

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