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The math contest called the Fermat is out of 150 points. The mean score this year is 91 points with a standard deviation of 12.

The math contest called the Fermat is out of 150 points. The mean score this year is 91 points with a standard deviation of 12. Students in the top 25% receive a medal. Assuming the scores are normally distributed, what mark is required to receive a medal?*

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