NO.PZ2015120604000069
问题如下:
Among 600 workers, 25 workers plan to retire next year. On a random drawn, what is the probability that select a worker who plans to retire next year?
选项:
A.0.042.
B.0.04.
C.0.002.
解释:
A is correct
我的计算机算25/600=0.04
是计算机设置的小数点问题吗?要怎么设置小数点后多位数