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Ivenika [448]
3 years ago
7

Please help me! No links!!! what is v? v-6=-20

Mathematics
2 answers:
harkovskaia [24]3 years ago
6 0

Answer:

Hi! The answer to your question is v = 14

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

Debora [2.8K]3 years ago
3 0

Answer:

12

Step-by-step explanation:

20-60=12

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This question is solved using the concepts of sensitivity and specificity.

  • Sensitivity: It is the true negative rate, that is, the proportion of people without the disease that test negative.
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  • Sensitivity of 60% means that of the 100 - 10 = 90% of people without the disease, 60% test negative and 100 - 60 = 40% test positive.
  • Specificity of 70% means that of the 10% with the disease, 70% test positive.

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The predictive value of a positive test is:

Probability of a positive test, which is 40% of 90% plus 70% of 10%, so:

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The predictive value of a positive test is is 0.43.

A similar question is given at brainly.com/question/22373775

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Step-by-step explanation:

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