User Account

All Pages

Sufficient evidence to justify the rejection

Assignment Help Basic Statistics
Reference no: EM131444551

Consider the hypothesis test given by

H 0 : p = 0.5

H 1 : p > 0.5

In a random sample of 625 subjects, the sample proportion is found to be ˆp = 0.55.

(a) Determine the test statistic. Show all work; writing the correct test statistic, without supporting work, will receive no credit.  

(b) Determine the P-value for this test.  Show all work; writing the correct P-value, without supporting work, will receive no credit. 

(c) Is there sufficient evidence to justify the rejection of H0 at the a = 0.01 level? Explain.

Reference no: EM131444551

Questions Cloud

Write a business report to make a concrete recommendation : ECON802: The Economics of Global Business Challenges Assignment. You have to write a Business Report to make a concrete recommendation. You have to address the following issues: Position on the economic development path of Australia and New Zealand, ..
Explain the main source of employment in the city : Analyze the data and explain the main source of employment in the city. When unemployment rises and declines in Calgary, please explain the reasons behind the rise and decline of unemployment.
Return on invested capital : TIE AND ROIC RATIOS The W.C. Pruett Corp. has $650,000 of interest-bearing debt outstanding, and it pays an annual interest rate of 12%. In addition, it has $600,000 of common stock on its balance sheet. It finances with only debt and common equity, ..
Consumption of large amounts of alcohol : Consumption of large amounts of alcohol is known to increase reaction time. To investigate the effects of small amounts of alcohol, reaction time was recorded for five individuals before and after the consumption of 2 ounces of alcohol. Do the dat..
Sufficient evidence to justify the rejection : (a) Determine the test statistic. Show all work; writing the correct test statistic, without supporting work, will receive no credit. (b) Determine the P-value for this test.  Show all work; writing the correct P-value, without supporting work, w..
By developing flexible job descriptions : Of the five levels in Maslow’s hierarchy of needs, which is satisfied by offering a salary? By offering healthcare benefits? By offering training opportunities? By developing flexible job descriptions?
Consider the instrumental variable regression model : Consider the instrumental variable regression model.
Fourty-five percent of households : Fourty-five percent of households say they would feel secure if they had $50,000 in savings. You randomly select 8 households and ask them if they would feel secure if they had $50,000 in savings. Find the probability that the number that say they..
How much of pizza ann and bob would like : Ann and Bob are in an Italian restaurant. The owner offers them a free pizza under the following condition. Each player must simultaneously announce how much of pizza (in terms of percentages) they would like.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Use the value of linear correlation coefficient r to find

use the value of linear correlation coefficient r to find the coefficient of determination and the percentage of the

  Estimate the true proportion to within confidence

A manager of a supermarket estimated that 87% of customers use coupons in their grocery purchases. How large a sample is required to estimate the true proportion to within 0.01 with 98% confidence?

  What would be resulting cost equation for maintenance costs

Revise the prior probabilities in light of the consultants track record - What is the posterior probability of good demand given that the consultant has indicated demand will be good?

  Problem regarding the chi-square distribution

1. Let Y have a chi-square distribution with 7 degrees of freedom. Find the following probabilities.

  Estimating probability values based on discrete distribution

There are two telephone lines A and B. Let E1 be the event that line A is being used and E2 be the event that line B is being used

  How they perceive the value of the training

You are interested in your employee's opinion of a training class. Specifically, you want to know if their experience level is a factor in how they perceive the value of the training. What are the null and alternate hypotheses?

  How many of the households should be surveyed

How many of the households should be surveyed? Explain any assumptions you used in obtaining your recommended sample size.

  Estimates of the mean selling price of gulf view condominium

Assume the branch manager requested estimates of the mean selling price of Gulf View condominiums with a margin of error of $40,000 and the mean selling price of No Gulf View condominiums with a margin of error of $15,000. Using 95% confidence, ho..

  In clinical trials a certain drug has an 8 success rate of

1. in clinical trials a certain drug has an 8 success rate of curing a known disease. if 8 people are known to have the

  Assuming the time to failure exponential

Now assume that failed items are not replaced during the test. UsingHandbook H-­-108, determine the plan assuming the time to failure is exponential.

  How many possibilities are there in order of selection

An oil company can only afford to drill at eight sites, sequentially chosen. How many possibilities are there, in order of selection?

  Determining role of hypothesis testing

Suppose that your company manufactures computer equipment and you must determine if a supplier of your company meets the required product specifications.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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