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22 February, 01:17

7. The probability of passing an

examination is 0.77. What is the

probability of failing the examination?

A. 0.22

B 0.23 C. 0.33

D. 0.72

E. 0.77

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Answers (1)
  1. 22 February, 01:43
    0
    Option B

    Step-by-step explanation:

    Total Probability = 1

    Probability of passing = 0.77

    Probability of failing = 1-0.77

    => 0.23
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