las29223
Jun 28, 2012, 11:01 AM
Scores on a test are normally distributed with a mean of 60.6 and a standard deviation of 10.3. find P81, which separates the bottom 81% from the top 19%
Is it 0.291 or 69.7 or 63.6 or 0.88 ? Please help
Is it 0.291 or 69.7 or 63.6 or 0.88 ? Please help