Estimate of the true proportion of individuals

Assignment Help Basic Statistics
Reference no: EM132073105

A researcher wishes to to be 95% confident that her estimate of the true proportion of individuals who travel overseas is within 4% of the true proportion. Find the sample necessary if in a prior study, a sample of 200 people showed that 40 traveled overseas last year.

Reference no: EM132073105

Questions Cloud

Stress score risk of heart attack : Set up the regression equation and use to predict the risk of heart attack for a person with a stress score of 8.
Simple payback method to assess new project for viability : A company plans to use the simple payback method to assess a new project for viability. What is the payback period?
Estimate the true proportion of children : How large of a sample is needed to estimate the true proportion of children with good diets within 2% with 95% confidence.
Vehicle crossing charge to deliver zero profit solution : What is the vehicle crossing charge to deliver a zero profit solution?
Estimate of the true proportion of individuals : A researcher wishes to to be 95% confident that her estimate of the true proportion of individuals who travel overseas is within 4% of the true proportion.
What interest rate the company is offering you in annuity : What interest rate the company is offering you in the annuity? Will your decision change?
Determine the metrics that you would use to monitor progress : Determine the metrics that you would use to monitor the progress of your campaign. Provide a rationale for your response.
How is the strategy different from the current strategy : What competitive strengths does this strategy exploit? How is the strategy different from the current strategy?
Confidence interval of the true proportion of families : Find 90% confidence interval of the true proportion of families who said they ate at least 3 times a week.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Prepare a graph of the data

Prepare a graph of the data. On this same graph, plot a 12-month moving average forecast. Discuss any apparent trend and seasonal patterns

  Mean and standard deviation of the payout

The payouts for the Powerball lottery and their corresponding odds arean probabilities of occurrence are shown below. The price of a ticket is $1.00. Find the mean and standard deviation of the payout.

  Construct a double-stem-and-leaf plot for the life span

Construct a double-stem-and-leaf plot for the life span of the fruit flies using the stems 0∗, 0·, 1∗, 1·, 2∗, 2·, and 3∗such that stems coded by the symbols _ and · are associated, respectively, with leaves 0 through 4 and 5 through 9

  Find the degrees of freedom for unequal variance test

Find the degrees of freedom for unequal variance test. (Round down answer to nearest whole number.)

  Probability that plane did not catch up one after two hours

The second plane's speed is also normally distributed with mean and standard deviation 500and 10,respectively. What is the probability that plane 2 did not catch up to plane one after two hours of flight?

  Find the mean and standard deviation for the number of

a government agency has specialists who analyze the frequencies of letters of the alphabet in an attempt to decipher

  How does your function handle missing data

Test your function by comparing its output to the output of mean() and var (). How does your function handle missing data (NA values)?

  Tax preparation for individual tax returns

Loophole Accounting Services specializes in tax preparation for individual tax returns. Data collected from past records reveals that 9% of the returns

  Standard normal random variable

Let Z be a standard normal random variable. Determine the value of c

  State legislators working with tight budgets

A question of significance to state legislators working with tight budgets is the spending for secondary education.

  An independent-measures research study uses two samples

an independent-measures research study uses two samples each with n 12 participants. if the data produce a t statistic

  Balanced rss of 48 observations from a population

We would like to collect a balanced RSS of 48 observations from a population. List all of the (set size, cycle size) combinations that could be used to obtain this balanced RSS of size 48.

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