A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results.   Positive Negative Total Pregnant 72 9 81 Not Pregnant 8 65 73 Total 80 74 154 Find the following. Give answers as a reduced fraction or decimal to at least 4 decimal places. P(Positive | Pregnant) =    What is the probability that the woman is pregnant given that the test is positive?     Given that a woman is pregnant, what is the probability that the test is negative?    P(Not Pregnant | Negative) =  Please answer all 4

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Author:Amos Gilat
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A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results.

  Positive Negative Total
Pregnant 72 9 81
Not Pregnant 8 65 73
Total 80 74 154


Find the following. Give answers as a reduced fraction or decimal to at least 4 decimal places.

  1. P(Positive | Pregnant) =   
  2. What is the probability that the woman is pregnant given that the test is positive?    
  3. Given that a woman is pregnant, what is the probability that the test is negative?   
  4. P(Not Pregnant | Negative) = 

Please answer all 4

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