题目
单项选择题
Based on this contingency table the probability that a randomly tested person has asthma is
选项
A.110/230
B.68/230
C.120/230
D.83/230
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标准答案
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思路分析
To determine the probability of a randomly tested person having asthma from a contingency table, we recall that probability is the number of asthma cases divided by the total number tested.
Option 1: 110/230. This would imply 110 asthma cases out of 230, which conflicts with the provide......Login to view full explanation登录即可查看完整答案
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