Question: The test scores for a large statistics class have an unknown distribution with a mean of 70 and a standard deviation of 10. a. Find

The test scores for a large statistics class have an unknown with a mean of 70 and a standard deviation of 10.
a. Find k so that at least 50% of the scores are within k standard deviations of the mean.
b. Find k so that at most 10% of the scores are more than k standard deviations above the mean.

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70 and 10 a Using Chebyshevs theorem we need to find k so ... View full answer

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