1. Give the value of the center (rounded to the nearest tenth) for the probability distribution described in the scenario: quiz scores for a difficult calculus quiz were uniformly distributed with a minimum of 50 and a maximum of 98. John scored two points lower than his brother Tommy. The distribution of points on this quiz has a center of...?
2. describe what a sampling distribution of x bar is?
3. describe what z score of -1.75 tells us?
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