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?
Expected delivery within 24 Hours
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?
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?
Calculate a confidence level at 95% to get an interval estimate for proportion?
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?
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.
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.
A machine produces 3 inch nails. A sample of 100 nails is selected, and it is found that 25 are shorter than 3 inches. Find the 95% confidence interval on the proportion of all such nails that are shorter than 3 inches.
When estimating the mean of a population, how large must the sample be in order that the 95% error margin is 1/8 the standard deviation?
1927162
Questions Asked
3,689
Active Tutors
1432834
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Many children are being exposed to violence at home through direct abuse or witnessing their caregivers commit an act of violence on each other.
Insert citations in APA format and list reference in Exposure to violence at home-physical, sexual, or emotional abuse, coercive control, or witnessing partner
Thank you for your response to my post. It's really important for substance abuse counselors, especially those working with kids and teens
Engage in a literature review that supports and provides a rationale for selecting one counselling theoretical orientation.
For this week's discussion, I chose to focus on one of the most pervasive threats to data integrity: response bias.
To identify the components of giftedness in preteen children, the qualitative and quantitative methods I would use would include surveys
Each person, regardless of intersecting identities, brings something unique and different to the role-play. In reflecting back, were you aware of differences