题目
72法则(Rule of 72)
第8题
72 The rule of seven used by quality control engineers states that if a run of seven or more samples lays on one side of the process mean, then the process is out of control. What is the probability that this condition is the result of random variations.
A. 14.30%
B. 3.12%
C. 2.73%
D. 1.56%
E. 0.78%
第10题
根据72法则,如果年收益率为10%,你的投资将于约()年后翻番。
A.7.2
B.72
C.10
D.5
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