Contact us
Choose a category below so we can get back to you as quickly as possible.
設在1次試驗中A出現的概率為p 則1-(1-p)^4=0.59 (1-p)^4=0.41 1-p≈0.8 p≈0.2 在1次試驗中A出現的概率約是0.2
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.