Mathematics, 05.03.2020 11:32 akeemsimpson15p2034o

In a group of 15 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? a) Create a probability model. Number good 0 1 2 P(Number good) nothing nothing nothing

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In a group of 15 batteries, 3 are dead. You choose 2 batteries at random. a) Create a probability mo...