Left-Handed People Ten percent of American adults are left-handed. A statistics class has 25 students in attendance.
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Left-Handed People Ten percent of American adults are left-handed. A statistics class has 25 students in attendance.
a. Find the mean and standard deviation for the number of left-handed students in such classes of 25 students.
b. Would it be unusual to survey a class of 25 students and find that 5 of them are left-handed? Why or why not?
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