Probability distribution of selecting a type of battery.

sgound00 · #1 Apr 16, 2008, 09:34 PM

In a group of 10 batteries, 3 are dead. You choose 2 batteries at random.
a) Construct a probability distribution for the number of good batteries you get.

b) What is the expected number of good ones you get?

ISneezeFunny · Apr 16, 2008, 09:53 PM

hypergeometric.

The Hypergeometric Distribution

has a good example you can follow.



At Ask Me Help Desk you can ask questions in any topic and have them answered for free by our experts. To ask questions or participate in answering them you must register for a free account. By registering you will be able to: Get free answers from experts in any of our 300+ topics. Accept money for answers that you provide. Communicate privately with other members (PM). See fewer ads. Sign Up!