How much do you study? A sutvey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 26 and standard...

Extracted text: How much do you study? A sutvey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 26 and standard deviation 4. Use the TI-84 PLUS calculater to answer the following. Round the answer to at least four decimal places (a) What proportion of students studied more than 38 hours? (b) What is the probability that a randomly selected student spent between 18 and 32 hours studvine? GWhat proportion of students studied less than 32 hours? Part: 0/3