Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

There is concern about the percent of on-time flights. A recent survey of two major airlines yielded the following results. At α = 0.05 test the claim that there is a difference in proportions of on-time flights.


Blue Airline Red Airline
No. of Flights 300 250
No. On-Time Flights 213 200

a. State the Hypotheses:

b. Compute the Test statistic: (Round off correctly)

c. Find the p-value:

d. Make the decision using the Decision Rule: (Compare the p-value with α)

e. Write the Conclusion (in plain English as related to the claim):

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9998010

Have any Question?


Related Questions in Statistics and Probability

If you know the percentile rank is 50 the mean is 50 and

If you know the percentile rank is 50. The mean is 50 and the standard deviation is 5. What is the raw score, z score, and t score?

1 you are analyzing a common stock with a beta of 28 the

1.) You are analyzing a common stock with a beta of 2.8. The risk-free rate of interest is 5 percent and the expected return on the market is 12 percent. What is the stock's equilibrium required rate of return? Round to ...

What is an important benchmark for any kind of business and

What is an important benchmark for any kind of business and for business how would you use break even in making business decisions?

Is it possible to have no or very small collinearity and

Is it possible to have no (or very small) collinearity and correlation between variables, yet have the same R squared and Adjusted R squared values?

Two different batteries are being considered for an

Two different batteries are being considered for an industrial application. A random sample of 30 of Battery A produces a mean of 16.4 hours of useful voltage with a standard deviation of 3.2 hours. A sample of 30 of Bat ...

A statistics student has collected data from a random

A statistics student has collected data from a random sample of 20 college students at his school. He collected data on many variables including GPA (grade point average) and how many hours per week they play video games ...

I define the parameter of interest in the context of the

(i) Define the parameter of interest in the context of the problem (ii) State the alternative hypothesis. (iii) State the distribution used to calculate the P-value (not the formula, but the distribution, eg. t distribut ...

If a study was done to measure the total brain volume of

If a study was done to measure the total brain volume of patients that had schizophrenia and also of patients that are normal. Table 1 has the total brain volume of the normal patients and table 2 has the total brain vol ...

How can a graph or chart of data help you understand the

How can a graph or chart of data help you understand the results? What is a frequency table? Describe an example where a frequency table can be used in life.

Suppose that you sample 59 high school baseball pitchers in

Suppose that you sample 59 high school baseball pitchers in one county and find that they have a mean fastball pitching speed of 80.00 miles per hour (mph) with a standard deviation of 4.98 mph. Find a 95% confidence int ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As