Nathan had an infection, and his doctor wanted him to take penicillin. Because NathanÍs father and paternal grandfather were all

Question

3 years ago

10

Nathan had an infection, and his doctor wanted him to take penicillin. Because NathanÍs father and paternal grandfather were all

ergic 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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1 answer:

shepuryov [24] · Answer 1 · 2022-07-16T00:57:45+03:00

shepuryov [24]3 years ago

7 0

Nathan has 0.25 chance of no allegry.
test is 0.02 incorect.
nathan no allergy and test incorrect.
multiply the probabilities: = 0.25*0.02 = 0.005

hope this help