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joanne4 joanne4
  • 30-01-2017
  • Mathematics
Answered

Sam's taking a pen from his case. He has 1 black ,2 purple ,4 blue, and 3 red pens. If he chooses one without looking, what's the probability that he'll choose a blue one

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 30-01-2017

probablity=desiredoutcomes/totalpossibleoutcomes
total possible outcomes=1+2+4+3=10
desired outcomes=4 blue


probablity=4/10=2/5=40%

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