Posted by **Fred** on Saturday, June 18, 2011 at 1:10am.

A distribution of 800 test scores in a biology course was approximately normally distributed with a mean of 35 and a standard deviation of 6. Calculate the proportion of scores falling between 20 and 40

## Answer this Question

## Related Questions

- Statistics - A distribution of 800 test scores in a biology course was ...
- algebra 2 and trig - The scores on a chemistry test are normally distributed. ...
- statistics - In a psychology class of 100 students, test scores are normally ...
- Analytical Skills - If your score on a statistics exam was 76 and the professor ...
- stats. - The GMAT test is required for admission to most graduate programs in ...
- statistics - IQ scores are normally distributed with a mean u = 100 and a ...
- statistics college - SATI SCORES AROUND THE NATION HAVE A MEAN SCORE AROUND 500 ...
- Word Problem - A math teacher gives two different tests to measure students' ...
- statistics - The scores for standardized test are normally distributed with a ...
- Math - The scores of students on standardized test are normally distributed with...

More Related Questions