Faculty in Psychology Department at State University consume an average of 5 cups of coffee per day with a standard deviation of 1.5.The distribution is normal. what proportion of faculty consumes an amount between 4 and 6 cups?

Faculty in the Psychology Department at State University consume an average of 5 cups of coffee per day with a standard deviation of 1.5. The distribution is normal. What proportion of faculty consumes an amount between 4 and 6 cups? uestion Select one a. 0.5468 b. None of the above C. 0.4972 d. 0.50