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?

## Answer this Question

## Related Questions

- statistics - School 1 Statistics: Average truancy per student is 8 days per ...
- Stats - At a certain university, the average cost of books was $370 per student ...
- Math - According to a student project for statistics 250, the amount of money ...
- Math please help! - According to a student project for statistics 250, the ...
- Algebra - A population of insects increases at a rate of 1.5% per day. About how...
- statistics - 1. The on-campus housing costs for a semester at a state university...
- math - You manage inventory for your company and use a continuous review ...
- math - A sporting goods company has a distribution center that maintains ...
- math - The population mean length of a hospital stay for surgery is 5.5 days and...
- statistics - A random sample of 31 people employed by the Florida state ...

More Related Questions