Question
The longest one-way travel time is in New York with a mean of 38.9. This follows the normal probability distribution and the standard deviation is 7.9
1.What percent are between 30 and 41 minutes?
1.What percent are between 30 and 41 minutes?
Answers
Reiny
This is perfectly set up for your problem
http://davidmlane.com/normal.html
http://davidmlane.com/normal.html