Contact us
Choose a category below so we can get back to you as quickly as possible.
你記住均勻分佈期望、方差公式就很快了,均勻分佈U(a,b)的期望是(a+b)/2,方差是(b-a)^2/12,(最好記住,做題快)於是a+b = 6,(b-a)^2/12 = 1/3,於是a+b = 6,b-a = 2a = 2,b = 4.所以密度函數就是f(x)= 1/(b-a)=…
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.