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29 January, 23:56

Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan's father and paternal grandfather were allergic to penicillin, Nathan has a 75% chance of having the same allergy. The doctor performed a skin test to see whether Nathan would react to it. The test is 98% accurate. What is the probability that Nathan is not allergic to penicillin and the test predicts it?

A.

0.005

B.

0.015

C.

0.245

D.

0.735

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Answers (1)
  1. 30 January, 03:51
    0
    B ...015

    Step-by-step explanation:

    What you do is you take 75 and subtract it from 100 because he has a 75% chance he will have penicillin.

    That is 15% so you will divide that by 100 to get.

    B ...015 is your answer.
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