1) Find zunfor 80%, 98%, and 99% confidence levels. (It may help to draw the curve and identify all in each tail.) 2) A physician wants to develop criteria for determining whether a patient's pulse rate is atypical, and she wants to determine whether there are significant differences between males and females. Use the sample pulse rates below. Assume a for the males is 12.1 and the o for females is 18.7. Male Female L 4 ; g5. :: :: maul L 3: 1:4 33mins?! >