QUESTION 7 Suppose than an exam had a mean score of 79, with a standard deviation of 12. Use Chebyshev's inequality to find the minimum probability that a student taking this exam scored between 65 and 93 points.

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Q: S(? + 1) (2x° – 3) dx .

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Q: Calculate the coefficient of concurrent deviation from the following : X : 60 55 50 56 30 70 40 35 8...

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Q: A sample of scores has a mean of ? = 65 and ? = 15. Find the z-scores that correspond to the followi...

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