Assume that the time needed to complete a midterm examfor a particular course is normally distributed with a mean of 90minutes and a standard deviation of 15 minutes.
5- What percentage of the class is expected to complete the examwithin 60 minutes?
6- What percentage of the class is predicted to NOT complete theexam within 115 minutes?
7- If the time limit is 100 minutes and there are 200 studentsin the class, how many of them do you predict to not complete theexam within the allocated time?