brandyn9943 brandyn9943

27-10-2017
Mathematics

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If lisa were to randomly select 4 batteries for her calculator, what if the probability that all 4 are bad?

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ch3ng27 ch3ng27

27-10-2017

The battery can only be good or bad.So the probability to get an bad battery is ½.Thus the answer is
½×½×½×½=1/16

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