nbme 12 block 4 q 40 - chuha

[ArchivalUser]

Assuming that any single lab test in a 3 test battery obtained from healthy volunteers have a 5% chance of falling outside of the normal range.Which of the following is the closest probability that a healthy person will have normal result for all three test?

A. 5%

B. 40 %

C. 85%
D. 95%

[ArchivalUser]

C
falling outside is 5% so within normal is 95%
all three tests normal = .95 into .95into..95 =85%

[ArchivalUser]

CC 0.95x0.95x0.95

[ArchivalUser]

thanks guys