The average lateness for airline a is 10 minutes. the, Ask an Expert

Statistics

Comparing the performance of Airlines based on Z-scores.

The average lateness for Airline A is 10 minutes. The variance of lateness measure is find outd as 9. One of its airplanes arrived 8.5 minutes after the stated arrival time. The average lateness for Airline B is 13 minutes with the standard deviation of 4 minutes. One of its airplanes arrived 7 minutes late. Which airplane performed better regarding lateness?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M918389

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In a random sample ofnbsp50nbsprefrigerators the mean

In a random sample of 50 ?refrigerators, the mean repair cost was ?$146.00 and the population standard deviation is ?$17.80. Construct a 90?% confidence interval for the population mean repair cost. Interpret the results ...

Advantage and disadvantage of sole proprietorship than a

Advantage and disadvantage of sole proprietorship than a corporation? Example of a business that is more suitable for both sole proprietorship and corporation structure.

Kevin knows that the beta of his portfolio is equal to 1

Kevin knows that the beta of his portfolio is equal to 1, but he does not know the risk-free rate of return or the market risk premium. He also knows that the expected return on the market is 8.25 percent. What is the ex ...

The ph acidity of the liquor is critical for regulating dye

The pH (acidity) of the liquor is critical for regulating dye uptake and hence the final color. There are 5 kettles, all of which receive dye liquor from a common source. Past data show that pH varies according to a Norm ...

A population has a mean mu equals84 and a standard

A population has a mean mu equals84 and a standard deviation sigma equals6. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=36.

Identify and describe the six types of e-commerce give an

Identify and describe the six types of e-commerce. Give an example for each one.

Taylor found that 8 of the recipients of loans form a

Taylor found that 8% of the recipients of loans form a particular mortgage lender default within 3 years. If he takes a random sample of 736 customers who received loans 3 years ago, what is the average number of custome ...

According to the center for disease control the mean total

According to the center for Disease Control, the mean total cholesterol for men between the ages of 20-29 is 180 milligrams per deciliter with a standard deviation of 36.2. A healthy total cholesterol level is less than ...

Your companys revenues were 3 million this year you paid

Your company's revenues were $3 million this year. You paid out $500,000 in salaries and your only other cash outflow was the purchase of a piece of construction equipment for $1 million that is to be depreciated to a ze ...

A banks loan officer rates applicants for credit the

A banks loan officer rates applicants for credit. The ratings are normally distributed with a mean of 200 and a standard deviation of 50. If an applicant is randomly selected, find the probability of a rating that is bet ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert