How many voters should the firm poll

Assignment Help Basic Statistics
Reference no: EM131216384

A political polling firm is conducting a poll in order to determine which candidate is likely to win an upcoming election. The polling firm interviews likely voters and asks each whether or not they will vote for the republican (R) or the democrat (D) candidate. They then tabulate the percentage that respond R and D

(a) How many voters should the firm poll in order to correctly estimate the correct proportion of R and D respondents in the general population to within percentage points with 90% probability?

(b) Repeat part (a) if we want 95% confidence in our polling data.

Reference no: EM131216384

Questions Cloud

Describe the key factors affecting the demand for good : From the scenario for Katrina's Candies, examine the key factors affecting the demand for and the supply of a good in general and Katrina's Candies specifically.
Determine the number of failures that must be measured : Determine the number of failures that must be measured before µM lies within 20 % of the true  µM with a 90% probability.
Practice of issues in financial reporting : BAP62 - Issues in Financial Reporting - Students are required to complete the assessment in group of five and do not have an automatic entitlement to adopt some other arrangements without prior permission from the lecturer.
Find key factors that you believe to be the most influential : When deciding whether or not to outsource offshore, list the key factors aside from maximizing profits that managers should consider. Determine the key factors that you believe to be the most influential.
How many voters should the firm poll : How many voters should the firm poll in order to correctly estimate the correct proportion of R and D respondents in the general population.
Identify the principles underlying effective behavior change : Describe how you could apply operant conditioning theory to create an evidence-based behavior modification to address Emma's behavior. Outline all components of the procedure selected and be sure to provide the rationale for its selection based on..
Complete the information in the decision tree : Complete the information in the Decision Tree in the Excel file. Determine the Expected NPV of the decision if you were to consult the Expert. Does use of the Expert increase the value of your analysis? If so, by how much?
Average number of data bits per minute arriving at the node : What is the average number of data bits per minute arriving at the node?- What is the variance of the number of data bits per minute arriving at the node?
Record the clients amended or adapted fitness program : Discuss when you will undertake the relevant fitness appraisals to monitor a client's fitness development. Record the clients amended or adapted fitness program

Reviews

Write a Review

Basic Statistics Questions & Answers

  Skewed distribution and normal distribution

If you assume returns follow a normal distribution, which investment would give a better chance of getting at least a $40 million return? Explain how your answer could change if you knew returns followed a skewed distribution instead of a normal d..

  Binomial probability-professional baseball fans

64% of men consider themselves professional baseball fans. You randomly select 10 men and ask each if he considers himself a professional baseball fan.

  On average what would the length of the line be

If the owner wants to lease some new equipment for the oil change outlet so that the average customer spends 15 minutes in the system what level or speed of service rate must the oil change crew deliver?

  Describe why in economic thinking we are concerned

economics is about allocation of limited resources to their best use. similar to the rest of economy healthcare sector

  Variation between levels

If 3 different factor levels show a lot of variation between levels this implies:

  What reaction time will 9999 of the drivers be faster than

a drivers reaction time in response to another car changing lanes is normally distributed with a mean of 0.4 seconds

  Question on queuing analysis

In brief describe three situations in which the 'First In First Out' discipline rule is not applicable in queuing analysis. Provide examples of four situations in which there are limited, or finite population.

  Evidence to support the claim of society

A human society claims that less than 31% of U.S. households own a dog. In a random sample of 392 U.S. households, 155 say they own a dog. At a=0.03, is there enough evidence to support the society's claim?

  Suppose that you are conducting a study on the

suppose that you are conducting a study on the effectiveness of a new teaching method and that you wish to use a

  Estimate a multiple regression model for housing starts

according to a recent report by the government new home construction fell to an 18-month low in october 2010

  1a pediatrician is interested in studying the effect of

1.a pediatrician is interested in studying the effect of motrin on reducing temperature in young children. four

  Problems on hypothesis testing

If true explain and if false give an example. a. The significance level of a statistical test is equal to the probability that the null hypothesis is true. b. If the significance level of a test is decreased, the power of the test would be expected t..

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