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March 29, 2017

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What is the probability of spinning an evenly divided spinner numbered 1-8 and getting a composite number on one spin and getting an odd number on a second spin.

  • Math - ,

    Between 1 to 8:
    C: {4,6,8} composite.
    So P(C)=3/8
    O: {1,3,5,7} odd.
    P(O)=4/8
    P(C,O)=P(C)*P(O)=3/16

  • Math - ,

    If a letter is chosen at random from the word PRESEVERANCE,what is the probability that the letter choosen is E?

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