Solution for QID #31755: Toby's Trucking Company determineed that on an annual ba | StudyHelpMe

Toby's Trucking Company determineed that on an annual basis, the distance traveled per truck is normall distributed with a mean of 50.0 thousand miles and a standard deviation of 12.0 thousand miles. a. What percentage of trucks can be expected to travel between 34.0 and 50.0 thousand miles in the year? b. What percentage of trucks can be expected to travel either below 30.0 or above 60.0 thousand miles in the year? c. How many miles will be traveled by at least 80% of the trucks?