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9 December, 12:34

A spinner with 9 equal sections is numbered 1 through 9. The probability of spinning a 3 is

What is the probability of not

spinning a 3?

Enter your answer as a fraction, in simplest form, in the box.

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Answers (2)
  1. 9 December, 12:36
    0
    Step-by-step explanation:

    Numbers 1 thru 9 ... probability of spinning a 3 is 1/9 and the probability of not spinning a 3 is 8/9
  2. 9 December, 12:38
    0
    1/9, 8/9

    Step-by-step explanation:

    probability of a desired outcome =

    = (number of desired outcomes) / (total number of outcomes)

    The total number of outcomes is 9.

    (a) The probability of spinning a 3

    There is only 1 desired outcome, a 3.

    p (3) = 1/9

    (b) What is the probability of not spinning a 3?

    The probability of spinning a 1, 2, 4, 5, 6, 7, 8, or 9.

    There are 8 desired outcomes.

    p (not 3) = 8/9
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