1 answer

Blood Chemistry

Question:

Frequently, tests that yield abnormal results are repeated for confirmation. What is the probability that for a normal person a test will be at least 1.5 times as highas the upper limit of normal on two separate occassions?

Answers

1.5*120 = 180 z(180) = (180-90)/38 = 2.3684 P(x >= 180) = P(z >= 2.3684) = 0.0089 --- P(that high on two separate occasions) = 0.0089^2 =0.000079791....

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