【单选题】For any s A and B, P(A-B) is equal to ( )
【单选题】Given two s in a sample space, A and B, if P(A)=0.5, P(B)=0.6, and P(A ∪B)=0.83, then the two s are
A.
independent but not mutually exclusive (独立但不互斥)
B.
mutually exclusive but not independent
C.
mutually exclusive and independent
D.
neither mutually exclusive nor independent
【简答题】s outside the plant and the animal ____________ the
actions of some biological clocks.
【单选题】If A and B are independent s with P ( A ) = 0.60 and P ( A | B ) = 0.60, then P ( B ) is: ( )
D.
P(B) cannot be determined with the information given.
【简答题】s outside the plant and the animal affect the actions of Some biological clocks.
【简答题】The actions of some biological clocks are affected by s
outside the plant and the animal.
【单选题】所谓信息加工的观点就是将人脑与计算机进行类比,将人脑看作类似于计算机的信息加工系统。但是这种类比只是机能性质的,也就是在行为水平上的类比,而不管作为其物质构成的生物细胞和电子元件的区别。换句话说,这种类比只涉及软件而不涉及硬件。 这段话中硬件指代的是( )。