Statistics questions

According to the U.S. Bureau of Labor Statistics, self-employed persons with a home-based business work a mean of 50 hours per week and a standard deviation of 10 hours.
A. If this distribution is normal, what is the sampling distribution if you were to use a sample of size 49?
B. What is the probability that in a sample of size 49 that the average hours worked would be more than 49 hours per week?
chelslynn
Asked Mar 27, 2012
Scroll down to statistics and choose your category.

http://www.khanacademy.org/
Rob
Answered Mar 27, 2012

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.

Categories