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Probability

Probability. Shari carlos Mark shawky Nate stocks. Problem 2.22. The best way to start this problem is to write out and draw what you’re given. After reading the question once, we know the following information:. Problem 2.22 (cont.) .

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Probability

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  1. Probability Shari carlos Mark shawky Nate stocks

  2. Problem 2.22 • The best way to start this problem is to write out and draw what you’re given. After reading the question once, we know the following information:

  3. Problem 2.22 (cont.) • With the information we’re given, we are able to calculate the rest of the information we are not given. • 1 - .03 = .97 • 1 - .99 = .01 • 1 - .98 = .02 B. C. A.

  4. Problem 2.22 (cont) • Next, we find the product of each possibility by multiplying through each branch. • .03 x .99 = .03 • .03 x .01 – 0.00 • .97 x .02 – 0.02 • .97 x .98 = 0.95

  5. Problem 2.22 • Question: What is the probability that a randomly selected person who tests positive for the predispositionactually has the predisposition? • Here we want to look at 2 different values. We know that 0.03 people test positive for the predisposition, and that (0.03 + 0.02 = 0.05) actually have the predisposition. Therefore: • 0.03 / 0.05 = 60% • Actually have the predisposition

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