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anonymous

  • 5 years ago

A single ball is drawn from an urn containing 10 balls numbered 1 through 10. What is the probablity that the ball chosen is an odd-numbered ball or a ball with a number less than or equal to 5?

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  1. anonymous
    • 5 years ago
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    such numbers are 1,2,3,4,5,7,9 and there are 7 of them, so \[\frac{7}{10}\]

  2. anonymous
    • 5 years ago
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    but it says for ODD numbers.. how does 2 and 4 odd number?

  3. anonymous
    • 5 years ago
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    oh because it says odd numbers OR a number less than or equal to 5, and both 2 and 4 fit the second bill.

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