The quiz scores for a class are normally distributed with a mean score of 85 out of 100 and a standard deviation of 2.5. Devin enters the following into his calculator: normalcdf(-100, 91, 85, 2.5) Which of the following is he trying to find? The probability that someone got less than an 85 What score is at the 91st percentile The percentile for someone who score a 91 on the quiz The standard error Previous Page Next Page Page 5 of 20