The Professor's Response
15. A doctor claims that the proportion of Americans exercising the recommended minimum of 45 minutes per day is less than ten percent. A sample of 550 Americans reveals that 52 of them exercise at least 45 minutes per day. At the 10% significance level test the doctor's claim.
For some reason I can't watch any of the videos. I tried going on Google Chrome and Internet Explorer, but none of them are playing the video on how to solve this problem.
See the professor's answer below.
Hi,
These videos are still under Viddler hosting until I can move them to YouTube. If you enable your browser to play Flash video, the video should load and play. I'll migrate the videos for Chapter 14 over to YouTube as soon as I can.