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# HAVING CONFUSION WITH CONDITIONAL PROBABILITIES:

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Author: Christine Farr
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http://theperfecthomework.com/having-confusion-with-conditional-probabilities/

Having confusion with conditional probabilities: Six vitamin and three sugar tablets identical in appearance are in a box. One tablet is taken at random and given to Person A. A tablet is then selected and given to Person B. What is the probability thate. exactly one person was given a vitamin tablet?f. Person A was given a sugar tablet and Person B was given a vitamin tablet?g. Person A was given a vitamin tablet and Person B was given a sugar tablet?Answers are 1/2, 1/4, and 1/4, respectively. Reached them by:e) Tree Diagram, manuallyf) (3/9)(6/8) = 6/24 = 1/4g) (6/9)(3/8) = 3/12 = 1/4-Can't figure how to reach results for E, through formula.-Not sure if F & G done correctly, or if I switched the formulas between the two.

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