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Thread: P(odd number)

  1. #1
    Super Member harpazo's Avatar
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    P(odd number)

    A spinner made up of a piece of card in the shape of a regular pentagon, with a toothpick pushed through its center. The five triangles are numbered from 1 to 5. The spinner is spun until it lands on one of the five edges of the pentagon. What is the probability that the number it lands on is odd?

    Solution:

    A pentagon has 5 sides: 1, 2, 3, 4, and 5.

    Odd Numbers: 1, 3, and 5.

    P(odd number) = 3/5

    Is this right?
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  2. #2
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    Re: P(odd number)

    Quote Originally Posted by harpazo View Post
    A spinner made up of a piece of card in the shape of a regular pentagon, with a toothpick pushed through its center. The five triangles are numbered from 1 to 5. The spinner is spun until it lands on one of the five edges of the pentagon. What is the probability that the number it lands on is odd?

    Solution:

    A pentagon has 5 sides: 1, 2, 3, 4, and 5.

    Odd Numbers: 1, 3, and 5.

    P(odd number) = 3/5

    Is this right?
    Correct
    Thanks from harpazo
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  3. #3
    Super Member harpazo's Avatar
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    Re: P(odd number)

    Quote Originally Posted by Plato View Post
    Correct
    Another easy question for my probability file.
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