Scores on exam are normally distributed with a mean of 45 and standard deviation of 8 1. what is the probability that the score of a student will be higher than 52.6? 2. what proportion of the students score below 43? 3. what is the z score that corresponds to the score 49? what is the raw score than corresponds to z=1.5?
QUESTION POSTED AT 18/04/2020 - 07:50 PM