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For a 4-units class like Statistics, students should spend average of 12 hours studying for...

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For a 4-units class like Statistics, students should spend average of 12 hours studying for the class. Asurvey was done on 21 students, and the distribution of total study hours per week is bell-shapedwith a mean of 14 hours and a standard deviation of 3.2 hours.Use the Empirical Rule to answer the following questions.a) 68% of the students spend betweenweek.b) 95% of the students spend betweenweek.c) 99.7% of the students spend betweenweek.Check Answerhours andhours andhours andhours on Statistics eachhours on Statistics eachhours on Statistics each

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