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PROBLEM: A set of final examination grades in an introductory statistics course was found to be...

PROBLEM: A set of final examination grades in an introductory statistics course was found to be normally distributed with a mean of 73 and a standard deviation of 8.

Use Excel to determine the following values to 6 (round up) decimal place accuracy.

Fill in the following values.

1. Determine the probability of getting a grade that is less than 85.Answer____________________________________

2. Determine the probability of getting a grade that is greater than 90.Answer__________________________________

3. Determine the probability of getting a grade that is between 73 and 80.Answer____________________________________

4. Determine the probability of getting a grade that is between 58 and 89.Answer___________________________________

5. Only 10% of the students scored higher than what grade?Answer______________________________

Math   Statistics-And-Probability   
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