Interval estimate for the difference between the proportions

Assignment Help Basic Computer Science
Reference no: EM132202812

A poll was taken every month on how voters will vote on the next federal election

Sample Size Number of Voters Voting Liberal

This month 750 300

Last month 800 280

1. Develop a 95% confidence interval estimate for the difference between the proportions of voters who will vote for the Liberals in the two samples?

2. Is there conclusive evidence that one of the proportions is significantly different from the other? Explain using the results of part a. Do not perform any test?

Reference no: EM132202812

Questions Cloud

What is the probability that a randomly selected hockey : 1. What is the probability that a randomly selected hockey stick will have a length of at least 193 cm?
Data on education level by gender : A recent market study produced the following data on education level by gender:
State the null and alternative hypotheses to be tested : 1. State the null and alternative hypotheses to be tested. 2. Compute the test statistic. 3. Determine the critical value for this test at the 0.05 level of s
Portion of an excel output for regression analysis relating : Shown below is a portion of an Excel output for regression analysis relating Y (dependent variable) and X (independent variable).
Interval estimate for the difference between the proportions : Develop a 95% confidence interval estimate for the difference between the proportions of voters who will vote for the Liberals in the two samples?
What is the null and alternative hypothesis : 1. Fill in the blanks in the following ANOVA table (There are 6 unknown numbers)? 2. What is the null and alternative hypothesis for this ANOVA test?
Suppose the minimum wage were increased sharply : Suppose the minimum wage were increased sharply. How would this affect the equilibrium prices level and output level in the model of aggregate demand
Function satisfy law of diminishing returns : a. Explain if this cost function satisfy law of diminishing returns.
Law of diminishing returns : Consider the following production function : Q = 10L2K, where Q is the amount of production,L is the amount of Labor and K is the amount of Capital.

Reviews

Write a Review

Basic Computer Science Questions & Answers

  List of numbers and returns a copy

Write a function called without_zeroes() that takes a list of numbers and returns a copy of that list with every occurrence of the number zero removed. (Make sure your function doesn't modify the original list!)

  Calculate the modified duration of the bond

A zero-coupon bond matures in 25 years for 1700. The bond's yield is 6% compounded quarterly. Calculate the modified duration of the bond.

  Describe the benefit of having an it auditor

Describe the benefit of having an IT auditor as part of the system implementation team.

  Is the design rationale reflected in the technical document

Can you build an understanding of the system from its documentation that is sufficient for making non-trivial changes to it? Repeat these questions for a system written by one of your colleagues.

  Relevant to a college environment

Provide one (1) example that is relevant to a college environment that illustrates reasons for converting database tables to the First, Second, and Third Normal Forms.

  Prepare a computer hardware and software budget

Assume that you have been asked to prepare a computer hardware and software budget. Your company has identified three classes of computer users:

  Will ipsec and nat work in each of the following cases

What if we use PAT (Port Address Translation), also known as Network Address/Port Translation (NAPT) in NAT, where in addition to IP addresses, port numbers will be translated to share one IP address from outside the private networ?

  Triple integrals in spherical coordinates

Using only the fact that the volume of a sphere, of radius r, is V = (4 π r ³) / 3 and your knowledge of triple integrals in spherical coordinates, find the volume contained within the sphere x² + y² + z² = a² but not within the sphere x² + y² + (..

  Investor would lend to a government

Why it would be reasonable to expect that no investor would lend to a government?

  Use double variable to represent the private data of class

Use double variable to represent the private data of the class. Provide a constructor that enables an object of this class to be initialized when it is declared.

  Usefulness of the life cycle

What is the usefulness of the Life Cycle. What are some of the pros and cons to the Life Cycle? Why is the Life Cycle viewed as a critical component within Information Technology? Describe a project that you may have had that failed? Why did i..

  Installing windows server

Please explain what the difference is with installing Windows server 2016 in a physical, virtual, or cloud environment?

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