TashaKessler3216 TashaKessler3216

25-08-2017
Mathematics

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A money bag contains ten 5-dollar notes and thirty 10-dollar notes. If a note is randomly selected from the bag, what is the probability of a 5-dollar not being selected

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apologiabiology apologiabiology

25-08-2017

not a 5 dollar just means a 10 dollar

probblity=desired outcomes/total possible outcomes

desired=number of 10 dollar notes or 30

total possible=10+30 or 40

the probablity is 30/40 or 3/4 or 75% that you do not select a 5 dollar note

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( Q * 5 ) + 20 = WHEN Q = 10

( Q * 5 ) + 20 = WHEN Q = 10