Write the claim mathematically and identify ho and ha

Assignment Help Finance Basics
Reference no: EM132385058

A random sample of 75 eighth grade students scores on a national mathematics assessment test has a mean score of 264. This test result prompts a state school administrator to declare that the mean score for the states eighth graders on this exam is more than 260. Assume that the population standard deviation is 31. At a=.09, is there enough evidence to support the administrator's claim? Complete parts (a) through (e).

A. Write the claim mathematically and identify Ho and Ha.

B. Find the standardized test statistic z.

C. Find the P-value

D. Decide whether to reject or fail to reject the null hypothesis.

E. Interpret your decision in the context of the original claim.

Reference no: EM132385058

Questions Cloud

GAC5007 Taxation Assignment Problem : GAC5007 Taxation Assignment help and solution, Gulf College, Assessment help, Cardiff Metropolitan University, FACULTY OF BUSINESS AND MANAGEMENT STUDIES
Most common test used in real-life scenarios : Is the parametric test the most common test used in real-life scenarios and why?
Price is the independent variable : If the relationship between price and number sold is linear, and price is the independent variable, then the slope of the line would be (round nearest hundredth
Consultant measures job satisfaction : A consultant measures job satisfaction in a sample of 18 supervisors, 18 managers, and 18 executives at a local firm. ________
Write the claim mathematically and identify ho and ha : A. Write the claim mathematically and identify Ho and Ha. B. Find the standardized test statistic z.
Determine the linear equation that best models : Data on the total number of (human) deaths reported during an outbreak of the Ebola virus in a region of west Africa:
Confidence interval for the difference in the proportion : Find a 90% confidence interval for the difference in the proportion of people who prefer the stipulated product before and after the advertising campaign.
What is the probability of 3 or more errors : a) What is the probability of 3 or more errors in a circuit board? b) Find the probability of a board having no solder errors.
State the values of any relevant parameters : To answer this question, you must first define an appropriate random variable, specify its probability distribution, and state the values of any relevant

Reviews

Write a Review

Finance Basics Questions & Answers

  Complement the business travel market

How do SMERF groups complement the business travel market?

  Evaluating capital investment proposals

Provide most critical & difficult step in evaluating capital investment proposals and what are the steps are involved in performing this evaluation.

  Present value of an annuity problem

I hope you recognize this as a present value of an annuity problem, but note that you are not looking for the present value of the annuity. The problem gives you that. You are looking for the annual withdrawal amount.

  Prepare the bank reconciliation

Louis Nicosia operates four 7 to 11 stores. He has just received the monthly bank statement at October 31 from City National Bank, and the statement shows an ending balance of $3,840.

  Explanation for the theory of confirmation bias

(1) What is the aim, conclusion, and explanation for The theory of "Confirmation bias".

  What is the palm tree intrinsic value of equity

Assume that Palm Tree has not yet made the distribution. What is Palm Tree's intrinsic value of equity? What is its intrinsic stock price per share?

  Calculate the the initial cash flow amount

Marshall's & Corporation bought a corner lot in Eglon City five years ago at a cost of $640,000. The lot was recently appraised at $810,000.

  How much of the quoted premium is for time value

If your put has a strike price of 7.50, a quoted premium of 2.15, and the current futures price is 6.69, how much of the quoted premium is for time value?

  What were candy corporations earnings per share

Candy Corporation had pretax profits of $1.2 million, an average tax rate of 34 percent, and it paid preferred stock dividends of $50,000. There were 100,000 shares outstanding and no interest expense. What were Candy Corporation's earnings per sh..

  Calculate the net profit margin

ROA and ROE models and Ratio Components - Calculate the net profit margin and the sales-to-total assets ratio for Salza for 2016 using average total assets

  Balance sheet accounts and income statement items

Are only balance sheet accounts or both balance sheet accounts and income statement items affected by inflation?

  Bankruptcy laws-implication for entrepreneurs

What are the implications of your answer for the entrepreneurs, creditors, and the national economy?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd