User Account

All Pages

Compute the pooled proportion

Assignment Help Basic Statistics
Reference no: EM131068177

The null and alternate hypotheses are:

H0: π1 = π2

H1: π1 ≠ π2

A sample of 200 observations from the first population indicated that x1 is 170. A sample of 150 observations from the second population revealed x2 to be 110. Use the .05 significance level to test the hypothesis.

a. State the decision rule.

b. Compute the pooled proportion.

c. Compute the value of the test statistic.

d. What is your decision regarding the null hypothesis?

Reference no: EM131068177

Questions Cloud

How much does each make : how much does each make?
Formulate the linear programming model : 1. Formulate the Linear Programming model. 2. Solve the model using the graphical method.
You cant prove the null by not rejecting it : Debate if "failing to reject the null" is the same as "accepting the null." Support your position with examples of acceptance or rejection of the null. Next, give your opinion on whether or not a failed t test "proves" the null hypothesis
What is the decision rule : A sample of 33 observations is selected from a normal population. The sample mean is 30, and the population standard deviation is 4. Conduct the following test of hypothesis using the 0.05 significance level.
Compute the pooled proportion : a. State the decision rule. b. Compute the pooled proportion. c. Compute the value of the test statistic.
Assume you work for a u.s. based business : Choose a country whose culture and language are different from your own, and about which you have no first-hand knowledge. In other words, you have never visited, worked, nor lived there.
Compute the value of the test statistic : a. State the decision rule. (Round your answer to 3 decimal places.) b. Compute the value of the test statistic. (Round your answer to 3 decimal places.)
Probability that a random selected person : At a certain restaurant, 55% of all people order an appetizer, 78% order a beverage, and 42% order bothan appetizer and a beverage. Let A represent the event that a person orders an appetizer, and B represent theevent that a person orders a bevera..
Comparison-contrast paired poetry assignment : A common theme in literature is the impact of the past on shaping characters in the present. For some, the past is something to embrace and to cherish; it is a link between today and yesterday.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Use the analysis of variance with 005 to determine

assume you are employed by a consumer-products rating service and your assignment is to assess car batteries. for this

  Exponential distribution function-derivation of equation

Show how to generate a random variable from the exponential distribution function shown above. Show derivation of the equation.

  What is the test statistic and what are the critical values

What is the test statistic? What are the critical values? What is the P-value? What is the conclusion? Can a hypothesis test be used to "prove" that the rate of green-flowered peas is 25%, as claimed?

  A ski shop manager

A ski shop manager claims that the average of the sales for her shop is $1800 a day during the winter months. Fifty winter days are selected at random

  Project report portfolio management services

This project report provides information regarding Portfolio Management Services, Process of Portfolio Management Promptness of Services, Quality & flexibility of services, Service charges, Track record of the company, Minimum interest required, D..

  Is the sampling distribution approximately normal

Suppose a simple random sample of size n = 34 is obtained from a population with μ = 30 and σ = 4. Is the sampling distribution of x approximately normal.

  Counting on the fact that some people

Hotels often overbook reservations, counting on the fact that some people will cancel at the last minute. A certain hotel chain finds that 80% of the reservations will be used. If we randomly select 15 reservations what is the probability that mor..

  What proportion of homes use another phone service provider

What proportion of homes subscribe to Internet service from Ashland and would you say this portion is small, medium, or large - what proportion of homes that are using Ashland's Internet service have Basic cable service?

  Numbers of workers injured in each accident

Suppose that the expected number of accidents per week at an indus- trial plant is four. Suppose also that the numbers of workers injured in each accident are independent random variables with a common mean of 2.

  1 a new diagnostic test has been developed to diagnose

1. a new diagnostic test has been developed to diagnose disease y. the new test was compared to the standard diagnostic

  Probability-employee have less minutes of unused sick time

the amount of unused sick time for individual employees is uniformly distributed between 0 and 480 minutes. Based on this information, what is the probability that an employee will have less than 20 minutes of unused sick time?

  Compute the sales forecast

Clyde's Chairs and Things sells custom made chairs. Yearly sales from 1983 to 2011 are provided below. After analyzing the information, answer the following questions as completely as possible:

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