Thinking it might be helpful, you ask the EvCC Institutional Researcher for data. He doesn't have the data you need, but suppose he does tell you that the population mean GPA is 2.54 with population standard deviation of 0.73 for all students who have ever attended Everett Community College. Assume that GPA's are normally distributed. Find the z-score for a GPA of 3.01. Round to 2 decimal places. Find the probability a student at random will have a GPA over 3.01. Round to 4 decimal places. 70% of students will have a GPA lower than: Round to 2 decimal places. If 15 students are chosen at random, what is the probability their mean GPA will be more than 3.01? % Round to the nearest whole percent.