Question

On the first day of class last semester, a group of students was asked for the number of hours of sleep they obtained the previous night. The data were approximately normally distributed with a mean of 5 and a standard deviation of 0.5, find the percentage of students who slept more than 5.8 hours.

Answer 1

Answer:

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In its most general form, algebra is the study of mathematical symbols and the rules for manipulating these symbols; it is a unifying thread of almost all of mathematics. It includes everything from elementary equation solving to the study of abstractions such as groups, rings, and fields.