Jolly
Blue Giant Health Insurance (JBGHI) is concerned about rising lab test
costs and would like to know what proportion of the positive lab tests
for prostate cancer are actually proven correct through subsequent
biopsy. JBGHI demands a sample large enough to ensure an error of ± 2%
with 90% confidence. What is the necessary sample size?
A. 2,401
B. 609 C. 1,604 D. 1,692
A. 2,401
B. 609 C. 1,604 D. 1,692
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