3. DETAILS MY NOTES Anesthesiologists need to be very cognizant of patients' heart rates during surgery, especially when those patients are obese. Heart rates for obese surgical patients are normally distributed with a mean of 80 and a standard deviation of 10.33. If the patient's heart rate drops to 55 bom or lower during surgery, the anesthesiologist must intervene. (a) What proportion of patients require intervention by the anesthesiologist? (3 decimal places) (b) What would be the 78 percentile of patient heart rates? (3 decimal places)