Find the Value of a Normal Random Variable
-The board of examiners that administers the real estate broker s examination in a certain state found that the mean score on the test was 451 and the standard deviation was 72. If the board wants to set the passing score so that only the best 80% of all applicants pass, what is the passing score Assume that the scores are normally distributed.

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-The board of examiners that administers the real estate broker s examination in a certain state found that the mean score on the test was 451 and the standard deviation was 72. If the board wants to set the passing score so that only the best 80% of all applicants pass, what is the passing score Assume that the scores are normally distributed.