The mean score on a driving exam for a group of driver's education students is 72 points, with a standard deviation of 3 points. Apply Chebyshev's Theorem. At least 75% of the exam scores fall between 66 and 78 (Enter the smaller number first.) At least 88.9% of the exam scores fall between 63 and 81 (Enter the smaller number first.)
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Step 1: According to Chebyshev's Theorem, for any number k greater than 1, at least 1 - 1/k^2 of the data values lie within k standard deviations of the mean. Show more…
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