Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
Suppose the scores for a college entrance exam follow a normal distribution with mean 480. You are told that 95% of the scores range between 300 and...
Suppose the scores for a college entrance exam follow a normal distribution with mean 480. You are told that 95% of the scores range between 300 and 660. Using the 68, 95,99.7 rule, what is the standard deviation of exam scores?
