A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 5 wood and 17 graphite are defective and one racket is randomly selected from the sample, find the probability that the racket is wood or defective
Tags:
Help,
Please,
Question,
Stat
This entry was posted
on Monday, February 22nd, 2010 at 7:54 am and is filed under Tennis FAQ.
You can follow any responses to this entry through the RSS 2.0 feed.
You can leave a response, or trackback from your own site.
100 of the 200 rackets are wood, so the probability that it would be wood is 50%.
22 of the 200 rackets are defective, so the probability that it would be defective is 11%.