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olga2289 [7]
3 years ago
10

find the sum ofthe angle measure in each regular polygon. Then find the measure of each angle. Show work please I'm so bad at th

is

Mathematics
1 answer:
Tems11 [23]3 years ago
6 0
For every side you just add 90 to your equation. so #4 would be 360-125-125-55=(55)
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A certain disease has an incidence rate of 0.1%. If the false negative rate is 8%
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Answer: 0.31 or 31%

Let A be the event that the disease is present in a particular person

Let B be the event that a person tests positive for the disease

The problem asks to find P(A|B), where

P(A|B) = P(B|A)*P(A) / P(B) = (P(B|A)*P(A)) / (P(B|A)*P(A) + P(B|~A)*P(~A))

In other words, the problem asks for the probability that a positive test result will be a true positive.  

P(B|A) = 1-0.02 = 0.98 (person tests positive given that they have the disease)

P(A) = 0.009 (probability the disease is present in any particular person)

P(B|~A) = 0.02 (probability a person tests positive given they do not have the disease)

P(~A) = 1-0.009 = 0.991 (probability a particular person does not have the disease)

P(A|B) = (0.98*0.009) / (0.98*0.009 + 0.02*0.991)

= 0.00882 / 0.02864 = 0.30796

*round however you need to but i am leaving it at 0.31 or 31%*

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