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Faculty positions in a school district are classied as either teacher or administrator based on primary duties and responsibilities. The table below shows information on the number of national board-certied and not board-certied teachers and administrators. Board-certied Not board-certied Administrator u Determine the probability, P(board-certied or teacher), that a randomly chosen faculty member is either board-certied or a teacher. Please enter your answer as a decimal, precise to at least four decimal places