4. iq scores are normally distributed with a mean of 100 and a standard deviation of 15. in a
random sample of 900, approximately how many people will have iqs between 85 and 120?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Pranza plotted point a in the coordinate plane below.