User Account

All Pages

P-value and a level of significance

Assignment Help Basic Statistics
Reference no: EM132191919

H0: p1 - p2 = 0

Ha: p1 - p2 > 0

Here p1 is the population proportion of "yes" of Population 1 and p2 is the population proportion of "yes" of Population 2. Use the statistics data from a simple random sample of each of the two populations to complete the following:

Population 1 Population

Sample Size (n) 400 600

Number of "yes" 300 426

a. Compute the test statistic z.

b. What is the p-value?

c. Should H0 be rejected? Use the p-value and a level of significance of 0.05 to justify your answer.

d. Use the above data to construct a 95% confidence interval for p1 - p2

Reference no: EM132191919

Questions Cloud

Distribution of adjusted gross income reported : Suppose that 22 percent of United States households have a 3D television. Choose five households at random. What is the probability that at least one has a 3D t
What is the probability that a randomly chosen : An automobile company has 6,500 dealers who are polled to find out their annual incomes as well as their age. The number of dealers in each category are given
Find the probability that when a company buys : Suppose that a shipment of 250 netbooks contained three defects, and 247 good units. Find the probability that when a company buys three units from this sample,
How have human activities such as population growth affected : How have human activities such as population growth and increased urbanization affected global water scarcity?
P-value and a level of significance : Should H0 be rejected? Use the p-value and a level of significance of 0.05 to justify your answer.
Gender and major produces : A survey with questions about student's gender and major produces the following data Male Female Math 10 3 Science 12 8 Humanity 25
As a positively signed slope increases : As a positively signed slope increases The whole line moves up without rotating
How does the loss of biodiversity impact human health : How can you incorporate the information you learned about air pollution and changes to the hydrological system from Weeks One and Two into this discussion?
What is the probability the sample mean : What is the probability the sample mean will be within $10 of the population mean cost per flight (4 decimals)

Reviews

Write a Review

Basic Statistics Questions & Answers

  The null hypothesis of an f-test comparing three group

the null hypothesis of an f-test comparing three group means is that all three group means are equal. what is the

  Will the test be one tail or two tail

Formulate a null hypothesis and an alternative hypothesis for this situation. Will the test be one-tail or two-tail? Why? If the test is one-tail, will it be left-tail or right-tail? Why?

  What are the welfare effects of the hmv cd club

Is the definition of entry barriers in this chapter normative or positive? Could such an entry barrier ever be socially beneficial?

  Find standard deviation for number of students

What is the Standard Deviation of the Probability Distribution that would list the number of students (from 0 to 84) and the probability of each.

  Lambda computer products competed for and won a contract to

lambda computer products competed for and won a contract to produce two prototype units of a new type of computer that

  Find the average amount per claim for auto body repairs

An automobile insurance firm wants to find the average amount per claim for auto body repairs. Its summary records combine amounts

  What is the predicted change in output

a. What is the predicted change in output if labor increases by 1 % , holding capital constant?

  Find probability that both products successfully complete

Find the probability that both products successfully complete the two-part process - Find the probability that neither product successfully completes the two-part process.

  What is the probability the battery is defective

One cell phone battery is randomly selected from the production line, what is the probability the battery is defective and produced by machine C?

  Find correlatins between pairs of all interval variables

Determine the correlatins between pairs of all interval variables (i,e., absences with PE, PE with math, math with writing) How much of the math grade can be explained by the PE grade?

  Distribution of sample count speaking spanish

The proportion of people in the United States who speak Spanish is about 0.11. The distribution of sample count speaking Spanish in samples of size

  Pv and fv of two otherwise identical annuities

How is the difference between an ordinary annuity and an annuity due affect the PV and FV of two otherwise identical annuities?

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