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?
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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?
Hypergeometric.
The Hypergeometric Distribution
Has a good example you can follow.
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