esting heart rate in beats per minute (bpm), for SO peop living at altitudes above and below 10,000 feet. Elevation Below 80 bpm Above 80 bpm total Above 10,000 ft 3 19 22 Below 10,000 ft total 16 19 12 28 31 50 1. What is the probability that a person surveyed, selected at random, has a heart rate above 80 bpm? Find: P(Above 80 bpm) 2. Given a person below 10,000 ft is selected, what is the probability they have a heart rate above 80 bpm? Find: P(Above 80 bpm | Below 10,000 ft) 3. Is a heart rate above 80 bpm independent of being below 10,000 ft? How do you know? Tell me with the math rule for independence.