Question

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?
0.005
0.015
0.245
0.735​

Answer 1

Answer:

0.245 because of him having the 75% chance of getting it and the test only being 98%

Step-by-step explanation:

its 0.245

Answer 2

Answer:

its 0.245

Step-by-step explanation:

I used the big fat mega thinking side of meh brain im smart