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...