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Joint and Marginal Probability Tables

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I own three fuel terminals. one in the north, one in the south and one in the mid-west. My north terminal house 25% of my employees, my south terminal house 40% of my employees and my mid-west house 35% of my employees. 10% of my north employees failed a management test, 15% of my south and 5% of my mid-west.

Using excel I'm trying to create a probability tree showing all marginal, conditional and joint probabilities. Im also trying to develop a joint probability table and determine the probability that an employee selected at random would fail the management test.

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develop a joint probability table
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I own three fuel terminals. one in the north, one in the south and one in the mid-west.
my north terminal house 25% of my employees, my south terminal house 40% of my employees and my mid-west house 35% of my employees. 10% of my north employees failed a management test, 15% of my south and 5% of my mid-west.

using excel I'm trying to create a probability tree showing all marginal, conditional and ...

Solution Summary

Joint and Marginal Probability Tables are investigated. The solution is detailed and well presented.

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