During the 1980s, U.S. car and truck miles traveled increased by 4% per year, but the...
During the 1980s, U.S. car and truck miles traveled increased by 4% per year, but the length of highway increased by only 0.1% per year. Find the doubling time for vehicle miles traveled and for miles of highway.
| miles traveled | years |
| highway miles | years |
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During the 1980s, U.S. car and truck miles traveled increased by
4% per year, but the...
The velocity of truck (in miles per hour) is given by v(t) = 4(t)^3/2 + 4/t...
The velocity of truck (in miles per hour) is given by v(t) = 4(t)^3/2 + 4/t - 3, where t is in hours. a. Write a definite integral for the distance the car travels between t = 1 and t = 3. b. Sketch a graph of velocity against time and present the distance traveled during t = 1 and t = 3 hours as an area on your graph. c. Use Fundamental Theorem of Calculus to find this distance.
12. A trucking company determined that the distance traveled per truck per year in its entire...
12. A trucking company determined that the distance traveled per truck per year in its entire fleet was normally distributed with a mean of 55 thousand miles and a standard deviation of 11 thousand miles. a)A truck in the fleet traveled 42 thousand miles in the last vear. Calculate the z-score for this truck. (3 points) b) Interpret the z-score (3 points) c) The trucking company has a policy that any truck with mileage more than 2.5 standard deviations above...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 50 thousand miles and a standard deviation of 12 thousand miles. What percentage of trucks can be expected to travel either less than 35 or more than 70 thousand miles in a year? Round to two decimal places as needed.
1) There are approximately 1.8 million large truck using 42,500 miles of interstate highway in U.S....
1) There are approximately 1.8 million large truck using 42,500 miles of interstate highway in U.S. The average weight of the large truck is about 80,000 pounds. And average mileage per truck is 70,000 miles. What are the total trillion ton-miles of freight movement each year? A. 5 B. 4 C. 3 D. 2 2) What of the following is not a countermeasure for sustainable transportation system? A. Complete streets B. Electric vehicles C. Separated bikeways D. New roadways 3)...
A trucking company determined that the distance traveled per truck per year is normally distributed, with...
A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 30 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (d) below. a. What proportion of trucks can be expected to travel between 17 and 30 thousand miles in a year? The proportion of trucks that can be expected to travel between 17 and 30 thousand miles in a year is (Round to four decimal places...
5. value 10.00 points Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the...
5. value 10.00 points Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60,000 miles and the standard deviation 2,000 miles. (Round z-score computation to 2 decimal places and your fihal answer to 2 decimal places.) (a) What percent of the Ford Super Duty F-750s logged 65,200 miles or more?...
1. Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is...
1. Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is normally distributed, with a mean of 50,000 miles and a standard deviation of 12,000 miles. a. What proportion of trucks can be expected to travel between 38,000 and 62,000 miles in the year? b. What percentage of the trucks travel less than 35,000 miles in the year? c. What percentage of the trucks travel more than 57,000 miles in the year? d. How many...
4. Suppose you take a one hour car ride, and this is the graph of your...
4. Suppose you take a one hour car ride, and this is the graph of your velocity as a function of time during the trip. velocity (miles per hour) Po 10 50 60 20 30 40 time (minutes) (a) What is your velocity (in miles per hour) at the 50 minute mark of your trip? (b) What is the total distance (in miles) that you travel during the trip? (c) Did you travel further during the first 30 minutes or...
When calculating the depreciation for the truck, there is a $7,500 salvage value. You will need...
When calculating the depreciation for the truck, there is a $7,500 salvage value. You will need to depreciate at 40 cents per mile. You purchased a building, equipment and a truck for $700,000 cash. The building has an appraisal value of $400,000, the equipment $300,000 and a truck appraised at $100,000 It is planned that the delivery truck will be driven 200,000miles during its life time of 5 years. Mileage is as follows: Year 1: 65,000 miles, Year 2: 79,500...
Suppose a U.S. car maker produces 10 cars, each worth $25,000. During a recession that year,...
Suppose a U.S. car maker produces 10 cars, each worth $25,000. During a recession that year, U.S. households buy only 5 cars. However, the company exports two more cars to Japan. How much does U.S. GDP increase by? a. U.S. GDP does not change at all because the car maker is not able to sell all cars b. $125,000 c. $175,000 d. $250,000
12. A trucking company determined that the distance traveled per truck per year in its entire fleet was normally distributed with a mean of 55 thousand miles and a standard deviation of 11 thousand miles. a)A truck in the fleet traveled 42 thousand miles in the last vear. Calculate the z-score for this truck. (3 points) b) Interpret the z-score (3 points) c) The trucking company has a policy that any truck with mileage more than 2.5 standard deviations above...
A trucking company determined that the distance traveled per truck per year is normally distributed, with a mean of 30 thousand miles and a standard deviation of 11 thousand miles. Complete parts (a) through (d) below. a. What proportion of trucks can be expected to travel between 17 and 30 thousand miles in a year? The proportion of trucks that can be expected to travel between 17 and 30 thousand miles in a year is (Round to four decimal places...
5. value 10.00 points Fast Service Truck Lines uses the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs and determined the number of miles traveled during the year followed the normal distribution. The mean of the distribution was 60,000 miles and the standard deviation 2,000 miles. (Round z-score computation to 2 decimal places and your fihal answer to 2 decimal places.) (a) What percent of the Ford Super Duty F-750s logged 65,200 miles or more?...
1. Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is normally distributed, with a mean of 50,000 miles and a standard deviation of 12,000 miles. a. What proportion of trucks can be expected to travel between 38,000 and 62,000 miles in the year? b. What percentage of the trucks travel less than 35,000 miles in the year? c. What percentage of the trucks travel more than 57,000 miles in the year? d. How many...
4. Suppose you take a one hour car ride, and this is the graph of your velocity as a function of time during the trip. velocity (miles per hour) Po 10 50 60 20 30 40 time (minutes) (a) What is your velocity (in miles per hour) at the 50 minute mark of your trip? (b) What is the total distance (in miles) that you travel during the trip? (c) Did you travel further during the first 30 minutes or...
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