以下是機會率的數學問題，可以幫我嗎﹖
1.The probabilities that a shop will make a profit and break even are 0.6 and 0.1 respectively. What is the probability that the shop will lose?
A、0.3
B、0.4
C、0.5
D、0.7
以下是機會率的問題_1，可以幫我嗎﹖
2007-12-07 6:52 pm
回答 (1)
2007-12-07 7:07 pm
✔ 最佳答案
經營一間店, 可能性只有三個, 一賺錢, 二蝕錢, 三無賺無蝕.即係0.6+0.1+X=1
X = 0.3
A
收錄日期: 2021-04-12 01:44:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071207000051KK00774