Pre Aglebra

4. A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. What is P(not even)?

Pretty sure the answer is 1/5, if I'm right, please explain how you got 1/5. Thanks

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  1. there are five even numbers, out of ten.
    Pr(even)=5/10=1/2
    pr(not even)=1-5/10=5/10=1/2

  2. Wouldn't you get an odd number about half the time?

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