What is the minimum number of points one must score

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If the results on a nationally administered introductory statistics exam is normally distributed with a mean of 100 points and a standard deviation of eight points determine the following: a. describe the graph of the distribution b. find at the Z score for a single exam that had 90 points then find the Z score for one with 118 points. C. If x represents a possible point-score on the exam find P(x<90). D. Find P(90<x<118) and give an interpretation of this value. E. What is the minimum number of points one must score on this exam if they want to be in the top 30% of all the scores

Reference no: EM13767655

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