Recent content by boosewell

Re: Discrete ramdom variables Bingo ! Thanks MarkFL and, because my earlier thank you post appears to have gone astray, thanks as well to Jameson. I think that I am going to enjoy this site.

This question is driving me crazy. According to the textbook, the answer is 7/15, but I get 2/5. If anyone can tell me where I am going wrong I would be much obliged Here is the question Six fuses, of which two are defective and four are good, are to be tested one after another in random...