Question: An alarming number of U.S. adults are either overweight or obese. The distinction between overweight and obese is made on the basis of body mass index (BMI), expressed as weight/height2. An adult is considered overweight if the BMI is 25 or more but less than 30. An obese adult will have a BMI of 30 or greater. According to the 2003-2004 National Health and Nutrition Examination Survey, 34.1% of the adult population in the U.S. is overweight and 32.2% is obese. Use this information to answer the following questions.
a. What is the probability that a randomly selected adult is either overweight or obese?
b. What is the probability that a randomly selected adult is neither overweight nor obese?
c. Are the events "overweight" and "obese" exhaustive?
d. Are the events" overweight "and "obese" mutually exclusive?