Use a significance level of a005 to test the claim that

Assignment Help Basic Statistics
Reference no: EM13630516

Use a significance level of a=0.05 to test the claim that p1=p2. Use the given sample sizes and numbers of successes to find (a) the pooled estimate p, (b) the z statistic, (c) the critical z-values, and (d) the P-Value.

n1=400, n2=800, x1=40, x2=100

Reference no: EM13630516

Questions Cloud

Suppose this estimate is based on a sample of 80 persons : the 92 million of americans of age 50 and over control 50 percent of all discretionary income aarp bulletin march 2008.
A usa todaycnngallup survey of 369 working parents found : a usa todaycnngallup survey of 369 working parents found 200 who said they spend too little time with their children
Although airline schedules and cost are important factors : although airline schedules and cost are important factors for business travelers when choosing an airline carrier a usa
Assume that the paired data came from a population that is : assume that the paired data came from a population that is normally distributed. construct a 95 confidence interval for
Use a significance level of a005 to test the claim that : use a significance level of a0.05 to test the claim that p1p2. use the given sample sizes and numbers of successes to
Identify the type i and type ii error that correspond to : identify the type i and type ii error that correspond to the given hypothesis. the percentage of adults who have jobs
Assume the readings on thermometers are normally : assume the readings on thermometers are normally distributed with a mean of 0 degree c and a standard deviation of 1.00
The width of a confidence interval is defined to be the : the width of a confidence interval is defined to be the upper bound of the confidence interval minus the lower bound of
Heights of men on a baseball team have a bell shaped : heights of men on a baseball team have a bell shaped distribution with a mean of 166cm and a standard deveation of 9

Reviews

Write a Review

Basic Statistics Questions & Answers

  Use the f test to determine the overall significance of the

barrons conducts an annual review of online brokers including both brokers who can be accessed via a web browser as

  Determine the equation of linear model to explain data

Let n be number of documents in (millions) labeled as classified in year that is t years since 2000. Determine the equation of linear model to explain the data.

  Skewed distributions

For the following data set, indicate whether the shape of the distribution is normal, positively skewed, or negatively skewed. Provide evidence for your answer by calculating the mean, mode, and median.

  Determining probability that teacher earns more per week

Determine the probability that a randomly selected teacher earns more than $525 per week?

  The stem-and-leaf display

The stem-and-leaf display below gives the test scores for the students in Prof. Jones' economics class. Use the display to answer the following questions.

  Explain researcher-s theory by steps of hypothesis testing

Sketch the distributions involved, and (c) explain your answers to someone who has never had a course in statistics.

  If rail freight does submit a bid it figures to be a bid of

transrail is bidding on a project that it figures will cost 400000 to perform. using a 25 markup it will charge 500000

  Determine cumulants-ratio-standard deviation-average energy

Determine the first two cumulants also the ratio between the standard deviation and average energy. Explain why distribution becomes extremely narrow.

  There is significant evidence

There is significant evidence, alpha =0.05, to show that there is a difference in the proportions of patients who show improvement between treatments 1 and 2

  Find the p-value for the test assume that the distribution

question the manager of a frozen yogurt store claims that a medium-size serving contains an average of more than 4

  Neither person will wait more than 10 minutes for the

a man and a woman make an appointment to meet between 5 p.m and 6 p.m at a certain location and they agree that

  What do you conclude about the claim below do not use

what do you conclude about the claim below? do not use formal procedures or exact calculations. use only the rare event

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