Homework Help is Here – Start Your Trial Now!
Math
Statistics
A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 70 thousand miles and a standard deviation of 12 thousand miles. Complete parts (a) through (c) below. a. What proportion of trucks can be expected to travel between 54 and 70 thousand miles in a year? The proportion of trucks that can be expected to travel between 54 and 70 thousand miles in a year is (Round to four decimal places as needed.) b. What percentage of trucks can be expected to travel either less than 50 or more than 80 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 50 or more than 80 thousand miles in a year is%. (Round to two decimal places as needed.) C. How many miles will be traveled by at least 60% of the trucks? The amount of miles that will be traveled by at least 60% of the trucks is miles. (Round to the nearest mile as needed.)

A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 70 thousand miles and a standard deviation of 12 thousand miles. Complete parts (a) through (c) below. a. What proportion of trucks can be expected to travel between 54 and 70 thousand miles in a year? The proportion of trucks that can be expected to travel between 54 and 70 thousand miles in a year is (Round to four decimal places as needed.) b. What percentage of trucks can be expected to travel either less than 50 or more than 80 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 50 or more than 80 thousand miles in a year is%. (Round to two decimal places as needed.) C. How many miles will be traveled by at least 60% of the trucks? The amount of miles that will be traveled by at least 60% of the trucks is miles. (Round to the nearest mile as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
See similar textbooks
icon
Related questions
Topic Video
Question

looking for help with this question, thank you!

A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 70 thousand miles and a standard deviation of 12 thousand miles. Complete parts (a) through (c) below. a. What proportion of trucks can be expected to travel between 54 and 70 thousand miles in a year? The proportion of trucks that can be expected to travel between 54 and 70 thousand miles in a year is (Round to four decimal places as needed.) b. What percentage of trucks can be expected to travel either less than 50 or more than 80 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 50 or more than 80 thousand miles in a year is %. (Round to two decimal places as needed.) c. How many miles will be traveled by at least 60% of the trucks? The amount of miles that will be traveled by at least 60% of the trucks is miles. (Round to the nearest mile as needed.)
Transcribed Image Text:A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 70 thousand miles and a standard deviation of 12 thousand miles. Complete parts (a) through (c) below. a. What proportion of trucks can be expected to travel between 54 and 70 thousand miles in a year? The proportion of trucks that can be expected to travel between 54 and 70 thousand miles in a year is (Round to four decimal places as needed.) b. What percentage of trucks can be expected to travel either less than 50 or more than 80 thousand miles in a year? The percentage of trucks that can be expected to travel either less than 50 or more than 80 thousand miles in a year is %. (Round to two decimal places as needed.) c. How many miles will be traveled by at least 60% of the trucks? The amount of miles that will be traveled by at least 60% of the trucks is miles. (Round to the nearest mile as needed.)
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Data Collection, Sampling Methods, and Bias
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
SEE MORE TEXTBOOKS