Mathematics, 27.06.2019 16:30, ashanty90

You have 10 batteries sitting on your desk, three of which are dead. you choose 2 batteries are random for you calculator. what is the expected number of good batteries that you get? a) 0 b) 1 c) 1.4 d) 2

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You have 10 batteries sitting on your desk, three of which are dead. you choose 2 batteries are rand...