Sunday
April 20, 2014

Homework Help: Statistics

Posted by Tom on Saturday, March 13, 2010 at 9:26pm.

Calculate the following:
a) Determine the sample size necessary to estimate a population mean to within 1 with a 90% confidence given that the population standard deviation is 10.
b) Suppose that the sample was calculated at 150. Estimate the population mean with 90% confidence.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - A statistics practitioner would like to estimate a population mean ...
statistics - what are the mean and standard deviation of a sampling distribution...
Statistics - An admissions director wants to estimate the mean age of all ...
elizabeth high school - . An admissions director wants to estimate the mean age ...
statistics - Use the given information to find the minimum sample size required ...
statistics - Help!!!!!! A confidence interval estimate for the population mean ...
Statistics - An IQ test is designed so that the mean is 100 and the standard ...
Statistics (urgent) - A beverage comopany uses a machine to automatically fill 1...
Math - The mean of a sample of 25 was calculated as xbar = 500. The sample was ...
Statistics - You are getting ready to take a sample from a large population, and...

Search
Members