Statistics Question
2010-09-04 3:14 am
An agency said the probability that x number of their local domestic helpers are being hired is given by P(x) = 0.02(4^x)/x! where x = 0,1,2,3,...... Daily wage of helper is $250 and the agency charges a daily fee of $400 if a helper is hired. Find the expected daily profit of the agency if 3 helpers are hired.
回答 (1)
2010-09-04 5:41 pm
✔ 最佳答案
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2010-09-04 09:42:01 補充：
http://img62.imageshack.us/img62/8643/69280693.png
2010-09-04 09:42:50 補充：
P(x) should be understood as the market demand probability
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100903000051KK01063