SOLUTION: Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.6 and a standard deviation of 0.42. Using the empiri

SOLUTION: Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.6 and a standard deviation of 0.42. Using the empiri

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Question 1174796: Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.6 and a standard deviation of 0.42. Using the empirical rule, what percentage of the students have grade point averages that are between 1.76 and 3.44?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
so z is between -2 and +2
This is 95% of the students.
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