Find the minimum sample size needed

Assignment Help Basic Statistics
Reference no: EM132479343

A researcher wishes to estimate with 95% confidence, the proportion of adults who eat fast food four to six times per week. Her estimate must be accurate within 1% of the population proportion

A) No preliminary estimate is available. Find the minimum sample size needed

B) Find the minimum sample size needed, using a prior study that found that 46% of the respondents says they eat fast food four to six times per week.

C) Compare the results from parts A and B

A) What is the minimum sample size needed assuming that no prior information is available

Reference no: EM132479343

Questions Cloud

What size sample should be obtained : What size sample should be obtained if she wishes the estimate to be within 0.05 with 99% confidence if (a) she uses a previous estimate of 0.28??
What is the probability of outcome : An experiment has six equally likely outcomes, A1, A2, A3, A4, A5 and A6.
Explain profit rate : Explain Profit Rate = Gross Profit divided by Net Sales and Profit Margin = Net Income divided by Net Sales and affect on profitability
Are the events mutually exclusive : Problem: Two fair coins are tossed and the following events are defined.
Find the minimum sample size needed : Find the minimum sample size needed, using a prior study that found that 46% of the respondents says they eat fast food four to six times per week.
Confidence interval for true proportion of population : We want to find a 95% confidence interval for the true proportion of the population who favor the bill. What is the lower limit of the interval?
Determine what is estimate of the stocks current price : Determine What is estimate of the stock's current price? The company's stock has a beta of 1.6, the risk-free rate is 10%, and the market risk premium is 6%.
What is estimate of the stock current price : The company's stock has a beta of 1.6, the risk-free rate is 10%, and the market risk premium is 6%. What is your estimate of the stock's current price?
MITS5502 Developing Enterprise Systems Assignment : MITS5502 Developing Enterprise Systems Assignment help and solution, Victorian Institute of Technology - assessment writing service

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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