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5 September, 13:54

A fair spinner has 9 equal sections: 4 red, 3 blue and 2 green.

It is spun twice.

What is the probability of not getting two consecutive greens?

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Answers (1)
  1. 5 September, 14:07
    0
    14/81

    Step-by-step explanation:

    The probability of getting a green is number of green sections : total number of sections = 2/4+3+2 = 2/9

    Probability of not getting a green is = 1 - probability of getting a green = 1 - 2/9 = 7/9

    Now we calculate the probability of not getting 2 consecutive greens. I. e probability of getting a green the first time and not getting it the second time = (2/9 * 7/9) = 14/81
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