71 Laptop use in middle school. In the American Secondary Education (Fall 2009) study of student usage
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71 Laptop use in middle school. In the American Secondary Education (Fall 2009) study of student usage of laptops at a middle school, x , the number of minutes per day each student used his or her laptop for taking notes, has a mean of 13.2 with a standard deviation of 19.5.
Demonstrate why the probability distribution of x is unlikely to be normal.
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