Faculty positions in a school district are classified as either teacher or administrator based on primary duties and responsibilities. The table below shows information on the number of national board-certified and not board-certified teachers and administrators.   Board-certified Not board-certified Administrator 12 19 Teacher 14 11   Determine the probability, ?(board-certified or teacher),P(board-certified or teacher), that a randomly chosen faculty member is either board-certified or a teacher. Please enter your answer as a decimal, precise to at least four decimal places. ?(board-certified or teacher)=

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Faculty positions in a school district are classified as either teacher or administrator based on primary duties and responsibilities. The table below shows information on the number of national board-certified and not board-certified teachers and administrators.

  Board-certified Not board-certified
Administrator 12 19
Teacher 14 11

 

Determine the probability, ?(board-certified or teacher),P(board-certified or teacher), that a randomly chosen faculty member is either board-certified or a teacher. Please enter your answer as a decimal, precise to at least four decimal places.

?(board-certified or teacher)=
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