In a group of 20 batteries 6 are dead You choose 2 batteries at random...
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In a group of 20 batteries 6 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 P Number good Round to three decimal places as needed 0 1 b The expected number of good batteries is Round to two decimal places as needed c The standard deviation is Round to two decimal places as needed 2 ose gc bu
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