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In a population of chickens, the average (arithmetic mean) weight is 6.3 pounds, and the standard deviation is 1.2 pounds. Which of the following weights (in pounds) are within 1.5 units of standard deviation of the mean?
Indicate all weights.
Indicate all weights.
B,C,D,E,F,G显示答案
以上解析由 考满分老师提供。
