What sample size is required to obtain confidence interval

Assignment Help Basic Statistics
Reference no: EM131766847

Question: Starting a nightclub A college student organization wants to start a nightclub for students under the age of 21. To assess support for this proposal, they will select an SRS of students and ask each respondent if he or she would patronize this type of establishment. What sample size is required to obtain a 90% confidence interval with an approximate margin of error of 0.04? Show your work.

Reference no: EM131766847

Questions Cloud

Purchase sales data on competitor shoes : What should you do to make sure the Marketing division creates a valid report?
Prepare a t-account to show the beginning : Prepare a T-account to show the beginning and ending balances plus all the activity in Retained Earnings for 2014
How large a random sample need to solve problem : Election polling Gloria Chavez and Ronald Flynn are the candidates for mayor in a large city. We want to estimate the proportion p of all registered voters.
Discuss the different roles of creatives and bean counters : Discuss the different roles of creatives and bean counters.
What sample size is required to obtain confidence interval : Starting a nightclub A college student organization wants to start a nightclub for students under the age of 21.
Given the specification of a class : Suppose that class Bag is a java.util.Collection that represents a bunch of items, where the same item can appear multiple times.
Explain? ?the? ?purpose? ?of? ?building physical? elements : Explain? ?the? ?purpose? ?of? ?building and? describe? physical? elements? of? each? ?that express? ?and? ?reinforce? ?that? ?purpose? ?and? its' significance.
Comparing vaccination systems in two developing countries : Develop a written paper comparing and contrasting vaccination systems in two (2) developing countries and one (1) economically developed country.
Discuss necessary adjusting entry at the company year-end : Adjusting entries are prepared once a year, at year end. The necessary adjusting entry at the company's year-end,

Reviews

Write a Review

Basic Statistics Questions & Answers

  Use a test of hypotheses of level alpha = 0.05

Using this data, is there enough evidence that the average depth of the ice sheet is below 3140 m? Assume that the depth of the ice sheet is normally dstributed. Use a test of hypotheses of level alpha = 0.05.

  Practical interpretation of coefficient of determination

Give a practical interpretation of each β-estimate in the model.- Give a practical interpretation of the coefficient of determination, R2.

  Hypothesis testing and experimental study

How does hypothesis testing contribute to the scientific knowledge base? What is one example of a null hypothesis statement?

  For a sample of 15 comparable sized cities is 045 at the

the correlation between the number of police on the street and the number of crimes committed for a sample of 15

  Probability of recovering stolen cars

Solve the problem: According to police sources a car with a certain protection system will be recovered 94% of the time. Find the probability that 4 of 8 stolen cars will be recovered.

  Determining relative frequency and cumulative frequencies

Determine relative frequency of X=4? Generate the cumulative frequencies.

  How large a sample size is needed

Describe a situation where the sample histogram is likely to give a good indication of the population histogram based on 100 observations.

  A recent survey by the companys marketing department has

annoyco a large consumer products firm has recently introduced a new product. as part of the launch 25 of the customers

  The probability that a 52-year-old white male will live

the probability that a 52-year-old white male will live another year is .99386. what premium would an insurance company

  What percent of storms produce rainfall with ph under 4

Draw and carefully label the model.- What percent of storms produce rainfall with pH over 6?- What percent of storms produce rainfall with Ph under 4?

  Predict whether pearsons correlation increase or decrease

Note that this restricts the range of X values. Without looking at the data, can you predict whether Pearson's correlation will increase or decrease after these points are removed?

  Approximate percentage of light bulb replacement requests

Using the empirical rule (as presented in the book), what is the approximate percentage of light bulb replacement requests numbering between 41 and 51?

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