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anonymous
 one year ago
Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan’s father and paternal grandfather were allergic to penicillin, Nathan had 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 allergic to penicillin and the test predicts it?
0.005
0.015
0.245
0.735
anonymous
 one year ago
Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan’s father and paternal grandfather were allergic to penicillin, Nathan had 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 allergic to penicillin and the test predicts it? 0.005 0.015 0.245 0.735

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cwrw238
 one year ago
Best ResponseYou've already chosen the best response.1the 2 probabilities mentioned here are with regard to the allergy and the accuracy of the test . These are independent of each other so in combination they are multiplied.

cwrw238
 one year ago
Best ResponseYou've already chosen the best response.1so we have 0.75 and 0.98

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you so much! Your are a life saver.
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