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Please help me with step by step instructions for the below. For a 4-units class like Statistics, students should spend

Posted: Wed Jul 06, 2022 12:09 pm
by answerhappygod
Please help me with step by step instructions for the below.
For a 4-units class like Statistics, students should spendaverage of 12 hours per week studying for the class. A survey wasdone on students, and the distribution of total study hours perweek is bell-shaped with a mean of 15 hours and a standarddeviation of 2 hours.Use the Empirical Rule to answer the following questions.a) 99.7% of the students spendbetween and hours on this class.b) What percentage of the students between 13 and 21 hours on thisclass? %c) What percentage of the students below 19 hours? %