Recently, Hector ran for president of the local school board. Of those who voted in the election, 90% had a high school diploma, and the other 10% did not. Hector got 75% of the vote of those with high school diplomas, while he got only 15% of the vote of those without high school diplomas.Let D denote the event that a randomly chosen voter (in the school board election) had a high school diploma and D denote the event that a randomly chosen voter did not have a high school diploma. Let H denote the event that a randomly chosen voter voted for Hector and H denote the event that a randomly chosen voter did not vote for Hector.
Fill in the probabilities to complete the tree diagram below, and then answer the question that follows. Do not round any of your responses.
(If necessary, consult a list of formulas.)
Given that D denote the event that a randomly selected vote had a high diploma
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