Posted by **lashara** on Sunday, September 26, 2010 at 7:56pm.

Average truancy per student is 8 days per semester with a standard deviation 2.2 and a population of 250 students.

a. What percent of the population is truant more than 9 days?

b. What percent of the population is truant less than 3 days?

c. What percent of the population is truant between 5 and 10 days?

d. What percent of the population is truant between 8.5 and 10 days?

e. What raw score would produce a truancy percent of the top 15% of the students who missed the least amount of school?