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(1 point) Scores on a standardized exam are known to follow a normal distribution with standard deviation o = 17. A researcher randomly selects 130

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(1 point) Scores on a standardized exam are known to follow a normal distribution with standard deviation o = 17. A researcher randomly selects 130 students and computes their average score. He reports that the mean score is 73.4, with a margin of error of 1.697. How confident are you that the mean score for all students taking the exam is in the interval (71.703, 75.097)? Confidence = %

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