The resting heart rate for a sample of people are normally distributed with a meanof 70 and a standard deviationof 15. Use 68-95-99.7 rule to find the % of heart rate in each of the following categories:
less than 55
less than 40
less than 85
less than 100
greater than 85
greater than 55
greater than 40
between 55 and 85
The expert examines normal distribution and standard deviation analysis.