Essay
On a measure of writing ability, college students in general have a mean of 60, a standard deviation of 8, and the scores follow a normal distribution.
a. Approximately what percentage of college students have writing ability scores above 68? Above 76? Below 52? Between 52 and 60? Use the normal curve approximation rules.
b. Explain your answers and procedure to a person who is not familiar with the normal curve or normal curve areas.
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