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(3 pts) Round answers below to three decimal places. Scores on a dexterity test administered to a nation-wide pool of job applicants are approximately normally distributed with a mean of 70 and a standard deviation of 6.5. Consider the score of a randomly selected test-taker. (a) The probability that a randomly selected test-taker will score higher than 63.5 is (b) The probability that a random selected test-taker will score between 67.4 and 86.055 is (c) Eighty-four and 61/100 percent (8461 proportion) of test-takers will score or higher.

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