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16 February, 21:15

If P (blue) is 0.3, what is P (not blue) ?/

A. 0.3

B. 0.5

C. 0.6

D. 0.7

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Answers (1)
  1. 16 February, 21:33
    0
    Probability of Event Occurring + Probability of Event not occurring = 1.

    Therefore:

    P (blue) + P (not blue) = 1.

    Therefore P (not blue) = 1 - P (blue)

    P (blue) = 0.3

    P (not blue) = 1 - P (blue) = 1 - 0.3 = 0.7

    P (not blue) = 0.7

    Option D.
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