Finding Areas within a Normal Distribution Answers

What percent of students passed the midterm?

⇒ 65.5

⇒ 12

⇒ 2.99

What percent of skateboards scored a 700 or higher on this evaluation?

99.7%68% 50% 3%

⇒ 20

A set of data is Normally distributed with a mean of 25 and a standard deviation of 5. What percent of values are between the z-values –0.4 and 0.6? Round to the nearest whole percent.Use the z-table to answer the question.

A data set is Normally distributed with a mean of 750 and a standard deviation of 55. What is the value of a data element that has a z-value of 0.05? Give your answer to two decimal places.