201501241045

16. Your German Shepard dog is not looking weU. You got h\m tested, aftev tYie vet suspected a genetic defect.

1% of these type of dogs have this particular genetic defect.

90% of tests for the gene detect the defect (when \t \s presenf)

9.6% of the tests are false positives.

If the test is positive, the probability of your dog actuaUy hav\ngtVie genettc defect \s".

a)    Less than 1%

b)    Between 1% and 10%

c)    Between 10% and 50%

d)    Between 50% and 90%

e)    Morę than 90%

17. Given P(A)= 0.3    P(B|A)=0.8 P(B\not A)= 0.01 what is the value ot

a.    (0.8*0.3)/ ((0.8*0.3)+(0.01*0.7))

b.    (0.01*0.3)/ ((0.8*0.3)+(0-01*0.7))

c.    (0.8*0.3)/ ((0.8*0.3)+(0.99*0.7))

d.    (0.8*0.3)/((0.8*0.3)+(0-01 0.99))

e.    nonę of these