Chapter 2, Problem 6SE

Exercise Hours The histogram shows the distribution of self-reported numbers of hours of exercise per week for 50 community college students. This graph uses a right-hand rule: Someone who exercised for exactly 4 hours would be in the third bin, the bin right of 4.

a. According to the histogram, there are two possible values for the maxi-mum number of

hours of exercise. What are they ?

b. How many people exercised 0 or 1 hour (less than 2 hours)?

c. How m any people exercised 10 or more hours?

d . What proportion of people exercised 1 0 or more hours?