pong0hbabyrdclashan pong0hbabyrdclashan

08-11-2016
Health

Answered

Nathan had an infection, and his doctor wanted him to take penicillin. Because NathanÍs 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?

A0.005

B0.015

C0.245

D0.735

Verified Answer :

andriansp andriansp

10-11-2016

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

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