Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

A large city claims that it provides "free lunch" to more than 30% of its elementary school students. A researcher selects a random sample of 200 students and finds that 72 were getting free lunches. Does the evidence supports the claim at ? = 0.05?

a. State the Null and Alternative Hypotheses: (Identify which hypothesis is the claim)

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

c. Find the p-value:

d. Make the decision using the Decision Rule. Use the p-value method.

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

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9996772

Have any Question?


Related Questions in Statistics and Probability

Most graduate schools of business require applicants for

Most graduate schools of business require applicants for admission to take the GMAT, the Graduate Management Admission Test. Scores on the GMAT are roughly normally distribute with a mean of 527 and a standard deviation ...

Iformatics and financial applicationsbackgroundthe

Informatics and Financial Applications Background The assignment of a payroll calculator demonstrates Excels ability to automate and present financial calculation information clearly. The ability to build and professiona ...

A bottle of water is supposed to have 12 ounces the

A bottle of water is supposed to have 12 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...

A binomial process has 892 trails and a probability of

A binomial process has 892 trails and a probability of success of 0.78. What is the standard deviation of this process distribution?

A copier services company is considering adding an advanced

A copier services company is considering adding an advanced model to its product line but is concerned about excessive maintenance calls. During a trial introduction in a test market, maintenance personnel recorded X, th ...

A carnival game involves a spinner that is designed so that

A carnival game involves a spinner that is designed so that in 20 percent of spins the player will win a prize. A random sample of 100 spins will be observed and the random variable X = number of times in the sample that ...

A sample of 184 randomly selected students found that the

A sample of 184 randomly selected students, found that the proportion of students planning to travel home for Thanksgiving is 0.69. What is the standard deviation of the sampling deviation?

If sailsboro just paid a dividend of 2 per share amp

If Sailsboro just paid a dividend of $2 per share & dividends are expected to grow at 8%, 6%, and 5% for the next three years respectively. After that the dividends are expected to grow at a constant rate of 3% indefinit ...

A researcher selects from a participant pool of 8 males and

A researcher selects from a participant pool of 8 males and 11 females. He determines that the probability of selecting 2 female participants is p = .335. Based on this probability, what strategy did the researcher use t ...

The easy clean company just paid a dividend of 150 d0150

The Easy Clean Company just paid a dividend of $1.50 (D0=$1.50). The dividend is expected to grow at a constant rate of 8%. The required rate of return is 11.50%. What is the expected price of Easy Clean stock in Year 5 ...

  • 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