Multiple Choice
A laboratory worker finds that 1.6% of his blood samples test positive for the HIV virus.In a random sample of 130 blood tests,what is the standard deviation of the number that test positive for the HIV virus?
A) 2.04672
B) 11.31
C) 2.08
D) 1.44
E) 1.43
Correct Answer:

Verified
Correct Answer:
Verified
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