Asked by Anonymous
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms.
A. 45% of the student weights are above ____ kilograms?
B. What percent of students have weights greater than 80.1 kilograms?
C. What percent of students weight less than 60.1 kilograms?
D. What percent of students have weights between 73.3 kilograms and 77.4 kilograms?
E. Using the 68-95-99.7 rule, what is the lower bound for the weight of the top 2.5%?
A. 45% of the student weights are above ____ kilograms?
B. What percent of students have weights greater than 80.1 kilograms?
C. What percent of students weight less than 60.1 kilograms?
D. What percent of students have weights between 73.3 kilograms and 77.4 kilograms?
E. Using the 68-95-99.7 rule, what is the lower bound for the weight of the top 2.5%?
Answers
Answered by
Steve
Excellent Z-table site:
http://davidmlane.com/hyperstat/z_table.html
http://davidmlane.com/hyperstat/z_table.html
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