ASQ 注册可靠性工程师

alygr

请教各位以下题目，实在想不通：
1）If events A and B are mutually exclusive, then how does this impact the occurrence of A and B?  
A）The outcome of B is dependent on the outcome of A.
B）Event A must occur before B.
C）The outcome of A is dependent on the outcome of B.
D）A and B cannot occur simultaneously.
答案C，我觉得D，AC没有区别

The extent of scatter that data has around the central tendency is called:
A)kurtosis.
B)skewness.
C)variation.
D)mode.

答案D，我认为C

Which of the following are measures of central tendency?
       
Which of the following are measures of central tendency?
A）Mean, Percentile, Mode, Median
B）Mean, Median, Percentile
C）Mean, Median, Mode
D）Mean and Mode
答案D，我认为C

eason510678

我也認為是C

eason510678

第一題我認為答案也是D，像是會出現在故障樹的題目，不知道理解的是否正確。

alygr

eason510678 发表于 2019-9-14 00:24
我也認為是C

哪道题呢

eason510678

抱歉，我指的是二、三題我也都認為是C。