The times for the mile run of a large group of male college students are approximately Normal with mean 7.11 minutes and standard deviation 0.74 minutes.
Use the 68–95–99.7 rule to answer the following questions.
(Start by making a sketch like Figure 3.8.)
- What range of times covers almost all (99.7%) of this distribution?
A5.63 to 8.59
B4.89 to 9.33
C6.37 to 7.85
D2.22 to 12
The times for the mile run of a large group of male college students are approximately Normal with mean 7.11 minutes and standard deviation 0.74 minutes.
Use the 68–95–99.7 rule to answer the following questions.
(Start by making a sketch like Figure 3.8.)
A5.63 to 8.59
B4.89 to 9.33
C6.37 to 7.85
D2.22 to 12
