Question #2

A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 40 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (c) below. a. What proportion of trucks can be expected to travel between 25 and 40 thousand miles in a year? The proportion of trucks that can be expected to travel between 25 and 40 thousand miles in a year is 7 (Round to four decimal places as needed.) b. What percentage of trucks can be expected to travel either less than 25 or more than 60 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 25 or more than 60 thousand miles in a year is %. (Round to two decimal places as needed.) c. How many miles will be traveled by at least 85% of the trucks? The amount of miles that will be traveled by at least 85% of the trucks is miles. (Round to the nearest mile as needed.)