Question: On a 50-question Geography exam, the average score is 25.5 out of 50. The standard deviation of the score is 8. Find a bound on

On a 50-question Geography exam, the average score is 25.5 out of 50. The standard deviation of the score is 8. Find a bound on the probability that a randomly selected student's score is greater than 42 or less than 9.

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