1)

A nurse's schedule is based on a 10-day cycle of two 12-hour day shifts, followed by three 12-hour night shifts, followed by five days off in a row. Her friends are trying to decide on a date for a night out together, and she is free to attend any night except when she is scheduled to work the night shift. What is the probability that they will suggest a date that works for her? i. Approach; Theoretical v ii. Probability that they will suggest a night that works for her: Round to 3 signicant digits. Enter 0 if Subjective. In a recent study about the effects of obesity on blood pressure, 170 at risk patients were sampled, 53 of whom were obese, 76 of whom had high blood pressure (i.e., hypertension), and 43 of whom were obese with hypertension. a. What is the probability that a randomly-selected patient is obese or is diagnosed with hypertension? P(Obese or Hypertension): Round to 3 signicant digits b. What is the probability that a randomly-selected patient is not at an increased risk (i.e. not have both effects simultaneously)? P(Not at an increased risk): Round to 3 Signicant digits