Economics and finance the first question on the us irs, Ask an Expert

Statistics

Economics and Finance

The first question on the U.S. IRS Income Tax Form 1040 asks taxpayers whether they want $3 to go to the Presidential Election Campaign Fund. A large Washington political-action committee obtained a random sample of registered voters and asked them if they checked "Yes" on this question on the past year's return. The results are given in the table below, by party affiliation.

997_Tab 6.jpg

a. Find a 95% confidence interval for the true proportion of registered voters in each political party who checked "Yes" on the Presidential Election Campaign Fund question.

b. Is there any evidence to suggest the proportion of Independent voters who checked "Yes" is different from either the proportion of Democrat or Republican voters who checked "Yes"? Justify your answer.

c. Suppose the results obtained in this study are preliminary and a larger survey is planned. How large a sample is necessary for each political party for the bound on the error of estimation to be 0.02 with confidence level 95%?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92239913

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In general a binomial distribution can be approximated well

In general, a binomial distribution can be approximated well using a normal distribution only if

1 the consultants estimated the required rate of return was

1. The consultants estimated the required rate of return was 13.635% 2. The Beta of Poorside's equity was 0.7, the market return was 20% and the risk-free rate was 12% 3. The interest rate on debentures was 13% per annum ...

While preparing for their comeback tour the flaming rogers

While preparing for their comeback tour, the flaming Roger's find that the average time it takes their sound tech to set up for a show is 61 minutes, with a standard deviation of 4.1 minutes. If the band manager decides ...

How does a histogram help us know the probability of

How does a histogram help us know the probability of getting a certain value for a variable? In other words how does the histogram relate to probability?

Suppose that 20 of men p20 and 15 of women p 15 are

Suppose that 20% of men (P=.20) and 15% of women (P= .15) are carriers of a particular genetic trait. That trait can only be inherited by a child if both parents are carriers. What is the probability that a child is born ...

Question 1 a random variable x is defined as the difference

Question: 1) A random variable X is defined as the difference between the higher value and the lowervalue when two dice are thrown. If they have the same value, X is zero. a.) Find the probability distribution for X. b.) ...

A firm evaluates all of its projects by applying the irr

A firm evaluates all of its projects by applying the IRR rule. Year Cash Flow 0 -$ 153,000 1 78,000 2 67,000 3 49,000 What is the project's IRR? If the required return is 11 percent, should the firm accept the project? Y ...

Determine the margin of error for an 80 confidence interval

Determine the margin of error for an 80?% confidence interval to estimate the population mean when s? = 36 for the sample sizes below. ?a)n=12 ?b)n=26 ?c)n=54 ?a) The margin of error for an 80?% confidence interval when ...

Emmons corporation has a 02 probability of a return of 054

Emmons Corporation has a 0.2 probability of a return of 0.54, a 0.3 probability of a rate of return of 0.05, and the remaining probability of a 0.1 rate of return. What is the variance in the expected rate of return of E ...

In a specific sample size of 100 what is the range within

In a specific sample size of 100, what is the range within the groups average iron level would be considered ususal? Using the Central Limit Theorem and the Empirical Rule

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