3. Last year, UPITT Panthers gave an average of $1,000 (SD = $300) to the athletic department for the school's football team. How much money would a booster needed to have donated to be considered in the top 5% of all donors?

4. In a midterm test, scores are normally distributed and range from 0 to 44. = 25 and = 5

A. What proportion of the population has scores below 20?

B. What proportion of the population has scores between 10 and 20?