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8 July, 07:22

80% of English teachers read Shakespeare. You see someone reading Shakespeare. What is the probability that this person is an English teacher? (Also: 3% of the workforce are English teachers. If you are not an English teacher, there is a 10% chance that you read Shakespeare.) Group of answer choices.

a. 80.

b. 20.

c. 024.

d. 14

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Answers (1)
  1. 8 July, 10:53
    0
    20%

    Step-by-step explanation:

    P (S) = (0.03*0.8) + (0.97*0.1)

    0.121

    P (E/S) = P (E&S) / P (S)

    = (0.03*0.8) / 0.121

    = 24/121

    0.1983471074 * 100

    = 19.83471074%
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