Question

Suppose that a certain car model gets on average 40 mpg with a standard deviation of...

Suppose that a certain car model gets on average 40 mpg with a standard deviation of 3 mpg. If the population of cars is normally distributed with respect to fuel efficiency, what is the probability that a random car gets more than 45 mpg?

Homework Answers

Answer #1

the probability that a random car gets more than 45 mpg be:-

[ in any blank cell of excel type =NORMSDIST(1.6667) ]

*** if you have any doubts about the problem please mention it in the comment box... if satisfied please LIKE.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose a newly released car has the average mileage of 26 mpg and a standard deviation...
Suppose a newly released car has the average mileage of 26 mpg and a standard deviation of 7. The mileage of these cars approximately follow normal distribution. Consider a sample of size of 15 cars a.What is the probability that the sample mean is between 22 and 32? b.If a sample of 16 cars are considered, what is the probability that the mean mileage is less than 27.5? c. If a sample of 25 cars are considered, what is the...
A certain car model has a mean gas mileage of 31 miles per gallon (mpg) with...
A certain car model has a mean gas mileage of 31 miles per gallon (mpg) with a standard deviation 3 mpg. A pizza delivery company buys 43 of these cars. What is the probability that the average mileage of the fleet is greater than 30.7 mph
A Ford Focus manual transmission gets an average of 28 miles per gallon (mpg) in city...
A Ford Focus manual transmission gets an average of 28 miles per gallon (mpg) in city driving with a standard deviation of 1.6 mpg. Assume that gas mileage is normally distributed. a) If a Focus is selected at random, what is the probability that it will get more than 31 mpg? b) What is the probability that a randomly selected Focus will get between 20 and 30 mpg? c) What is the probability that a randomly selected Focus will get...
Based on annual driving of 15,000 miles and fuel efficiency of 20 mpg, a car in...
Based on annual driving of 15,000 miles and fuel efficiency of 20 mpg, a car in the United States uses, on average, 750 gallons of gasoline per year. If annual automobile fuel usage is normally distributed, and if 21.77% of cars in the United States use less than 500 gallons of gasoline per year, what is the standard deviation?
A certain car model has a mean gas mileage of 31 miles per gallon (mpg) with...
A certain car model has a mean gas mileage of 31 miles per gallon (mpg) with astandard deviation 3 mpg. A pizza delivery company buys 43 of these cars. What is theprobability that the average mileage of the fleet is greater than 30.7 mpg?
A certain model of automobile has its gas mileage (in miles per gallon, or mpg) normally...
A certain model of automobile has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 32 mpg and a standard deviation of 4 mpg. Find the probability that a car selected at random has the following gas mileages. (Round your answers to four decimal places.) (a) less than 26 mpg (b) greater than 34 mpg (c) between 30 and 34 mpg
Suppose that the miles-per-gallon (mpg) rating of passenger cars is normally distributed with a mean and...
Suppose that the miles-per-gallon (mpg) rating of passenger cars is normally distributed with a mean and a standard deviation of 33.4 and 3.4 mpg, respectively. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected passenger car gets more than 34 mpg? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.) b. What is the probability that the average mpg of five randomly selected passenger cars...
Suppose that the miles-per-gallon (mpg) rating of passenger cars is normally distributed with a mean and...
Suppose that the miles-per-gallon (mpg) rating of passenger cars is normally distributed with a mean and a standard deviation of 36.5 and 4.4 mpg, respectively. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected passenger car gets more than 38 mpg? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.) b. What is the probability that the average mpg of three randomly selected passenger cars...
Solution Procedure: In solving these problems and subsequent ones, use the following procedure: (1) Define the...
Solution Procedure: In solving these problems and subsequent ones, use the following procedure: (1) Define the events of interest. (2) Write down the information given. (3) Write down the question. (4) Use the appropriate rule to answer the question. An automobile manufacturer produces a certain model of car. The fuel economy figures of these cars are normally distributed with a mean mileage per gallon (mpg) of 36.8 and a standard deviation of 1.3. (a) What is the probability that one...
5 Assume that the cost of a certain model of new car is normally distributed with...
5 Assume that the cost of a certain model of new car is normally distributed with a mean of $25,000 and a standard deviation of $2000. a Find the probability that a car chosen at random from this model will cost $29,500 or more b Find the probability it will cost $18,000 or less b Find the probability it will cost $18,000 or less
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT