zayed86 zayed86
  • 25-02-2021
  • Mathematics
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3.Lou has the first 4 encyclopedias lined up on a shelf, A, B, C, and D. If he picks two at random, what is the probability that he picks A first and B second?

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alysandurr alysandurr
  • 25-02-2021
Because they are first.
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