A company determined that on an annual basis, the distance traveled per company car is normally distributed with a mean of 50,000 miles and a standard deviation of 12,000 miles a. What proportion of cars can be expected to travel between 34,000 and 50,000 miles in a year? b.What is the probability that a randomly selected car travels between 34,000 and 38,000 miles? c. How many miles will be traveled by at least 80% of the cars?

A company determined that on an annual basis, the distance traveled per company car is normally distributed with a mean of 50,000 miles and a standard deviation of 12,000 miles a. What proportion of cars can be expected to travel between 34,000 and 50,000 miles in a year? b.What is the probability that a randomly selected car travels between 34,000 and 38,000 miles? c. How many miles will be traveled by at least 80% of the cars?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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