0
A random sample of 81 automobiles traveling on an interstate showed an average spee dof 60mph and a standard deviation of 13.5mph Assume the distribution of speeds of all the cars is normal?
Wiki User
∙ 12y ago
13.5/sqrt of 81 = 13.5/9 = 1.5
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
If you're on the interstate traveling at 70 mph what part of the car is NOT moving no matter how fast you're driving?
Instantaneously, the points of contact between the tyres and the road.
Two cars leave the gas station in opposite directions one is traveling 50miles per hour and the other is traveling 45miles per hour how many hours will they be 380 miles apart?
If they are traveling in opposite directions, then they are traveling away from each other at a speed of 95 miles per hour. 380/95=4 They have been traveling for four hours.
What is the acceleration of a ball that is traveling at a constant velocity of fifty miles and has been traveling for over 2 minutes?
If an object is traveling at a constant velocity, its acceleration is 0. Even if it traveled for 2 years.
A car traveling at 60 mph carries times the energy as the same car traveling 30 mph?
12
Is earth traveling in thousands of miles per hour?
About 18 miles/sec around the sun, which is itself travelling about 30 miles/sec relative to local stars, which are traveling at about 300 miles/s relative to the galaxy centre, which is traveling at ? relative to local galaxies, which are traveling at... So the short answer is, yes.
If you traveling in a westbound direction which interstates would you be possibly traveling?
You could be traveling on Interstate 10, Interstate 40, or Interstate 80. These are major east-west highways in the United States.
What interstate are you traveling when going westbound?
i-74
What do automobiles do?
it makes the way traveling faster and easier
What is An effect of Interstate Highway System?
One effect of the Interstate Highway System is increased connectivity and accessibility between cities and regions, leading to improved economic growth and development. It has also influenced patterns of population growth and distribution, as well as changing transportation and travel behaviors in the United States.
What are the traveling conditions on Interstate 10 from Florida Westward?
Pretty crappy in Louisiana.
If traveling on an interstate going east how is it that Texas is in front of you and New York is behind you?
If you are traveling east there is no way Texas can be in front of you and NY behind you.
If you were traveling from Lehi to Springville what freeway would most likely take?
Interstate 15.
Why does the mud fly off the tires of a pickup traveling down the interstate?
Centrifugal force .
What is an interstate tourists?
A tourist who travels between states.
How long does it take to travel 56 miles on the interstate?
That depends on the speed at which one is traveling.
What is the definition for a interstate tourist?
people traveling state to state for example SA to WA (not out of country)
What is the driving Killo meter from Toronto Canada to Saskatchewan?
2905 Kilometers. Traveling via Interstate 94.
