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BIO 201 Objective Question
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Question

Assuming two independent parallel diagnostic tests have specificities of Sp1 and Sp2, what is the combined specificity (Sp_total)?
Options
A Sp_total = Sp1 * Sp2
Correct Answer
B Sp_total = 1 - [(1 - Sp1) * (1 - Sp2)]
C Sp_total = (Sp1 + Sp2) / 2
D Sp_total = Sp1 + Sp2
Correct Answer

Option A is the correct answer.

Detailed Explanation

To correctly identify a non-diseased individual in parallel testing, both tests must yield negative results simultaneously, making combined specificity Sp1 * Sp2.

Hint

No hint available

Question Info

Course: BIO 201
Type: Objective
Difficulty: Not specified
Question 61 of 285
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