Posted by **henrietta** on Saturday, February 19, 2011 at 7:39am.

using a mean of 80 and a standard deviation of 12. a) what is the score that divides the distribution such that 99% of the area is below it. b) what are the scores that bound the middle 95% of the distribution

## Answer this Question

## Related Questions

statistics - using a mean of 80 and a standard deviation of 12. a) what is the ...

math - Statistics: Analyze student exam scores Students were given an exam with ...

Foundations of Measurement - Approximately 400,000 students took the GRE in 2009...

Statistics - The distribution of IQ scores is a nonstandard normal distribution ...

Stastics - When we convert x-value to z- score and use Standard Normal ...

statistics - 2. Why is it important to know the mean and standard deviation for ...

math - Students were given an exam with 300 multiple-choice questions. The ...

statistics - Suppose scores on the mathematics section of the SAT follow a ...

statistics - Suppose scores on the mathematics section of the SAT follow a ...

Statistics - Students were given an exam with 300 multiple-choice questions. The...