Scores on a standardized exam are known to follow a normal distribution with a standard deviation =17. A researcher randomly selects 85 students and computers their average score. He reports that the mean score is 76.3, with a margin error of 2.0792. How confident are you that the mean score for all students taking the exam is in the interval (73.508, 79.092) Confidence=

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Scores on a standardized exam are known to follow a normal distribution with a standard deviation =17. A researcher randomly selects 85 students and computers their average score. He reports that the mean score is 76.3, with a margin error of 2.0792.

How confident are you that the mean score for all students taking the exam is in the interval (73.508, 79.092)

Confidence=

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