In a certain city there are 3000000 registered voters of, Ask an Expert

Statistics

In a certain city, there are 3,000,000 registered voters, of whom 1,200,000 are Democrats. A survey organization is about to take a random sample of 1,000 registered voters.

a. There is about a 50-50 chance that the percentage of Democrats in the sample will be bigger than _____.

b. Find the expected value for the sample percentage,

c. Find the standard error for the sample percentage.

d. Find the chance that 41% or more of the people in sample are Democrats.

e. True or false: If a large sample were taken, the standard error for the sample percentage would have been smaller.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91009085

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose that the weight of all navel oranges is normally

Suppose that the weight of all navel oranges is normally distributed with mean of 8 ounces, if we know that the percentage of oranges that weigh less than 8.7 ounces is 68% find the standard deviation?

Lipto biomedic has credit sales of 740000 yearly with

Lipto Biomedic has credit sales of $740,000 yearly with credit terms of net 60 days, with an average collection period of 75 days. Lipto does not offer a discount for early payment. (Use 365 days in a year.) a-1. What i ...

Can a business have too much money in cash meaning cash on

Can a business have too much money in Cash, meaning cash on hand as well as in checking and savings accounts? What if a business had 100 million dollars in these cash accounts but only needed half of that for what Keynes ...

Use the information below to answer the questions that

Use the information below to answer the questions that follow : While the Mars candy company no longer reports the percentages of each color M&M that are produced, they had previously reported the following: 13% brown 1 ...

1 summary statistics for returns on two stocks x and y are

1. Summary statistics for returns on two stocks X and Y are listed below. Mean Variance Stock X 2.83% 0.006000 Stock Y 5.98% 0.003000 The covariance of returns on stocks X and Y is 0.001500. Consider a portfolio of 80% s ...

A researcher wants to determine if lead levels are

A researcher wants to determine if lead levels are different between the top of a glass of water and the bottom of a glass of water. Many samples of water are taken. From half, the lead level at the top is measured and f ...

You are considering an investment in a 40-year security the

You are considering an investment in a 40-year security. The security will pay $25 a year at the end of each of the first three years. The security will then pay $30 a year at the end of each of the next 20 years. The no ...

Monroe inc is evaluating a project the company uses 138

Monroe, Inc, is evaluating a project. The company uses 13.8 percent discount rate for this project. cost and cash flows are shown in the table. What is the NPV of the project? year. Project 0. ($11,368,000) 1. $2,187,590 ...

Can you look for multicollinearity between a categorical

Can you look for multicollinearity between a categorical independent variable and a continuous dependent variable or can you only look for multicollinearity between a continuous independent variable and a continuous depe ...

How do you find the forward discountpremium on the foreign

How do you find the Forward Discount/Premium on the foreign currency for 7.4 & 7.5?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert