Calculate a confidence level at 95% to get an interval

Reference no: EM13241084

In a survey of 500, 60% responded positively to an value question.

Calculate a confidence level at 95% to get an interval estimate for proportion?

Reference no: EM13241084

Questions Cloud

What sample size is necessary : Survey to determine what proportion of new car buyers continue to have their car serviced at the dealership after warranty ends. Estimates 30% of customer do so.

Pre-industrial or emerging countries : From your own readings, study, and personal experience, contrast the living conditions of people living in post-industrial countries (e.g., the United States) with those in pre-industrial or emerging countries.

A researcher expects the population proportion of the cubs : A researcher expects the population proportion of the Cubs Fans in Chicago to be 80%. Error of less than 5% confident of an estimate to be made from a mail survey. What is the sample size required?

In a national wide survey a researcher expects 30 percent of : In a national wide survey a researcher expects 30 percent of the population will agree with an value statement. He wishes to have less than 2% error and 95% confident. What sample size is needed?

Calculate a confidence level at 95% to get an interval : Calculate a confidence level at 95% to get an interval estimate for proportion?

How did the weaknesses of the roman economy : How did the weaknesses of the Roman economy in the Western Empire affect the Empire, and in what way did these weaknesses lead to the fall of Rome?

Suppose you are planning a sample of employees to determine : Suppose you are planning a sample of employees to determine the monthly average # of vacation days. Standards set: Confidence level of 99% and an error of less than 5 units. Standard deviation be 6 units. What would be the required sample size?

Choose a variable and collect data for at least three : Choose a variable and collect data for at least three different groups (samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following

Issues concerning the west and indian policy : Explain how, even in this early period, issues concerning the west and Indian policy were divisive to American unity.

User Account

All Pages