O Yes, it would be unusual because less than 5% of all such samples have means less than 81. O No, it would not be unusual because more than 5% of all such samples have means less than 81. Viewing Saved Work Revert to Last Response 2. [-/9.09 Points] DETAILS BBBASICSTAT8ACC 7.2.017.MI.S. MY NOTES ASK YOUR TEACHE Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Enter a number. Round your answer to four decimal places.) The area to the left of z = 0.51 is Submit Answer 3. [-/9.09 Points] DETAILS BBBASICSTAT8ACC 7.2.008. MY NOTES ASK YOUR TEACHER