User Account

All Pages

Estimate the proportion of republicans and democrats

Assignment Help Basic Statistics
Reference no: EM131045103

Political scientists want to estimate the proportion of republicans and democrats in each of the 50 states. They take a random sample of 500 individuals from each state. What sampling did they use? Cluster, Stratified, Simple random, or Convenience?

Reference no: EM131045103

Questions Cloud

A real estate development company : Acme Realty, a real estate development company, is a limited partnership organized in Georgia. It is planning to develop a twohundred-acre parcel of land for a regional shopping center and needs to raise $1,250,000.
Nominal annual cost of nonfree trade credit : Calculate the nominal annual cost of nonfree trade credit under each of the following terms. Assume payment is made either on the due date or on the discount date. Assume 365 days in year for your calculations. Do not round intermediate calculations.
Conduct the six steps of hypothesis testing : 44 sharks are caught and length is measured in feet. Average was 15.59 feet with standard deviation of 2.55 ft. Test if population mean of all sharks is 16 ft. Use alpha .05 and conduct the six steps of hypothesis testing.
Summary of the fastest ever driven speed : The 5 number summary of the fastest ever driven speed (mph) of penn state students is 55, 95, 110, 120 and 150. The speed that separates the bottom 25% from the top 75% is...55, 120, 110, 95?
Estimate the proportion of republicans and democrats : Political scientists want to estimate the proportion of republicans and democrats in each of the 50 states. They take a random sample of 500 individuals from each state. What sampling did they use? Cluster, Stratified, Simple random, or Convenienc..
Research to develop new computer game : Your company has spent $500,000 on research to develop a new computer game. The firm Is planning to spend $100,000 on a machine to produce the new game. The firm has a tax rate of 35 percent, an opportunity cost of capital of 10 percent, and it expec..
Distinguish between publicly held companies : Distinguish between publicly held companies under the 1934 Act and those that are not publicly held. Which provisions of the 1934 Act apply only to publicly held companies and which apply to all companies?
Develop plots of effort and development time : Using basic COCOMO, develop plots of effort and development time versus for organic, semidetached, and embedded. Vary the size of the software from 60,000 to 80,000 DSI.
What is the correct decision : 1. We are testing Ho: p = 0.5 vs Ha: p

Reviews

Write a Review

Basic Statistics Questions & Answers

  Let x be a random variable with probability density

let x be a random variable with probability density function fxx 2e?2x for x gt 0.c let y be an independent random

  T-test and independent samples

The sample information is reported below. At the .10 significance level can we conclude that there is a difference in the amounts quoted?

  Significance of mean difference

Duplicate readings, using two separate instruments, were obtained on ten samples. What is the tabular value of the statistic used to determine the significance of the mean difference at the .05 level of probability?

  Prepare lp model to determine the number of ads in outlet

There must be at least two 103.1 Radio ads. Formulate the LP model to determine the number of ads in each outlet and maximize the effective audience contact.

  Calculate the probabiliy on the basis of result

Poll Confidence level. It is common for public opinion polls to have a "confidence level" of 95%, meaning that there is a 0.95 probability that the poll results are accurate within the claimed margins of error.

  The most common therapy for warts is cryotherapy in which

the most common therapy for warts is cryotherapy in which liquid nitrogen is applied to the area of the wart every few

  Plot the data in a scatterplot

Describe the relationship between the number of days from the optimal planting date and the wheat yield. Calculate the correlation coefficient between days from optimal planting and yield.

  A two-variable data set has a correlation coefficient of

a two-variable data set has a correlation coefficient of 0.84. what is the coefficient of determination?a. 0.9165b.

  Random sample-test claim

A random sample of 160 car crashes are selected and categorized by age. The are listed below. The age distribution of for the given categories is 18% for under 26, 39% for 26-45, 31% for 46-65, and 12% for over 65.

  Problem for mail-order houses

Improperly filled orders are a costly problem for mail-order houses. To estimate the mean loss per incorrectly filled order, a large firm plans to sample n incorrectly filled orders and to determine the added cost associated with each one.

  A die is rolled twice what is the probabilty that the sum

a die is rolled twice. what is the probabilty that the sum of the faces is greater than 7 given thata the first outcome

  Evaluate a simple aggregate price index

Evaluate a simple aggregate price index for 2004. Use 2000 as the base period - Estimating the simple aggregate price index.

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