Determining confidence interval for proportion of all voters

Assignment Help Basic Statistics
Reference no: EM1319071

Q1) Sample poll of 100 voters selected at random from all voters in given district pointed out that 53% of them were in favour of a particular candidate.

a) Determine a 95% confidence interval for proportion of all voters in favour of candidate.

b) Based on this would you be 95% confident that this candidate will win election by winning at least 50% of all the votes?

c) How large a sample size would be required to be with 1% of true proportion of voters who would vote for this applicant with 99% confidence?

Reference no: EM1319071

Questions Cloud

Find the addition : Find the addition
Calculate a weighted aggregate price index : To find weighted aggregate price index using Laspeyres and Paasche method.
Decide whether the demand for paint is elastic : Decide whether the Demand for paint is elastic, unitary elastic or inelastic. Elucidate your reasoning also interpret your results.
Famous product liability claims : Discuss some other famous product liability claims. What were some of the claims? Did the company effectively handle any negative publicity?
Determining confidence interval for proportion of all voters : Determine a 95% confidence interval for proportion of all voters in favour of candidate.
Find the division : Find the division
Dissimilarity between two population mean : You know that all sociology majors study 2.5 hours per day with a standard deviation of 1.
Make out a suitable forecasting method : If a time series is stationary without a linear trend or the seasonal component, which of the following forecasting methods may be suitable.
Self-actualization needs and social needs : According to Maslow, these workers are motivated to satisfy which of his hierarchy of needs? A. B. C. D. self-actualization needs social needs safety needs physiological needs

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the method to remedy multicollinearity

What can be completed to remedy multicollinearity.

  Water displacement method

Each egg was also measured for volume using a water displacement method. We wanted to know if the two methods agreed or not

  Highest performing model to forecast sales

Utilizing form of Regression method which would give you highest performing model to forecast Sales. Utilizing your model forecast the sales

  Utilization rate and probability values in queuing theory

What is the probability that there will be more than three trucks either being loaded or waiting?

  Utilizing exponential smoothing constant for different value

Forecast the number of deliveries utilizing exponential smoothing constant for different values also compare it. A hospital records the number of floral deliveries its patients receive every day.

  Determining confidence interval for the mean number

Find a 98% confidence interval for the mean number of days required for successful completion of physical therapy for patients in the average group. Discuss the results.

  Hypothesis test for difference in mean processing time

In past, mean processing time was 45 days.  At 0.05 level of significance, is there evidence that mean processing time has changed from 45 days?

  Determining the p-value

At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the  p- value.

  Probability depends on relative frequency

Why might the assumption of independence be violated? (b) Why might a driver be tempted not to use a seat belt "just on this trip"?

  Significant difference-one way anova

In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below.  Research question:  Are the ..

  Finding width of confidence interval around population mean

For this same sample of n = 45, find out the width of confidence interval around population mean?  Illustrate all work.

  Obtaining the simple linear regression equation

Obtain the simple linear regression equation, then analyze the residuals by (a) constructing a histogram

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