Question: In a group of 10 batteries, 3 are dead. You choose 2 batteries at random. a) Create a probability model for the number of good

In a group of 10 batteries, 3 are dead. You choose 2 batteries at random.
a) Create a probability model for the number of good batteries you get.
b) What's the expected number of good ones you get?
c) What's the standard deviation?

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