Assume a normal distribution and that the average phone call in a certain town lasted 6 min, with a standard deviation
Posted: Sun Oct 03, 2021 3:16 pm
Assume a normal distribution and that the average phone call in
a certain town lasted 6 min, with a standard deviation of 1 min.
What percentage of the calls lasted less than 5 min?
a certain town lasted 6 min, with a standard deviation of 1 min.
What percentage of the calls lasted less than 5 min?