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Mathematics, 24.04.2020 05:02 ferguag15stu

A professor has given the same exam to every Stats class for the last 30 years (during which thousands of students have taken the exam), with a historical mean of 70.8 and a standard deviation of 10.1. Moreover, the historical exam results closely follow a normal distribution. This year he experiments by using a totally new teaching method to the class of 25 students, but he gives them the same exam as in all prior years. Part a How likely is a randoml

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