6. In a university scholarship program, anyone with a grade point average over 7.5 receives a $1,000 scholarship, anyone with an average between 7.0 and 7.5 receives $500, anyone with an average between 6.5 and 7.0 receives $100, and all others receive nothing. A particular class of 500 students has an overall average of 4.8 with a standard deviation of 1.2. Calculate the cost to the university of supplying scholarships for this class. State any assumption.

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