Q1:Suppose X and Y are independent events with marginal probabilities of 0.47 and 0.87 respectively.What is the probability that either event occurs?( 3 decimal places ) Q2：A Melbourne real estate agent lists two houses for lease in the same street

Q1:Suppose X and Y are independent events with marginal probabilities of 0.47 and 0.87 respectively.What is the probability that either event occurs?( 3 decimal places ) Q2：A Melbourne real estate agent lists two houses for lease in the same street 求教一道统计学数学题.Suppose X and Y are random variables such that the atandard deviation of X is 2 and the standard deviation of Y is 5.Consider a random variable Z defined as Z=3X-2Y+5.问 a:Assume that X and Y are independtly distribute 关于 是否存在这样的函数（ 个人觉得是 常微分方程问题）Is there such a function?suppose g is a function satisfying the following two preperties:(a).g(x)=xg(1/x),for all real numbers x( x is not zero),and(b).g(x)+g(y)=1+g(x+y) f 一道编码理论里面的题目~Let x,y be codewords in a self-orthogonal binary code.Suppose the weights of x and y are both divisible by 4.Show that the weight of x + y is also a multiple of 4. 微积分和微分方程问题Suppose f(x) is a continuous function with positive values and f(0)=1.If for any x>0,the length of the curve y=f(x) over the interval [0,x] is always equal to the area of the region below this curve and above the x-axis, Suppose X has a geometric distribution with parameter p.Show that if n and k are positiveintegers,thenP(X = n + kjX > n) = P(X = k): Suppose I give you a ring and let you know.这句话里面为什么suppose在句首,怎么翻译 AP物理suppose we are asked to find volume of a solid whose base is the circlesuppose we are asked to find volume of a solid whose base is the circle x^2+y^2=4,and where cross-sections perpendicular to the x-axis are all square whose sides lie on th 线性代数关于矩阵的问题、Suppose that AX = B is the matrix representation of a system of linearequations.(a) Suppose that Y is a solution of this system,and that Z1 and Z2 are solutions ofthe associated homogeneous system.Show that Y h 线性代数关于矩阵的问题,Suppose that AX = B is the matrix representation of a system of linearequations.(a) Suppose that Y is a solution of this system,and that Z1 and Z2 are solutions ofthe associated homogeneous system.Show that Y ⣵ 已知命题P1：函数y=2^x-2＾-x在R上是增函数,p2：函数y=2＾+2＾-x在R上是减函数,则在命题q1:p1Vp2,p1^p2,q3:(-p1)Vp3和q4:p1^(-p2)中,真命题是A:q1,q3 B:q2,q3 C:q1,q4 D:q2,q4 关于一个很简单的经济学计算的问题GRAPHICAL ANALYSIS OF CONSUMER CHOICE A.Budget Sets.Consider a consumer who possesses a given amount of money,I.Suppose that he allocates these funds on for the consumption of two goods,X and Y.The budg MBA题Suppose the cross-price elasticity of demand between goods X and Y is 4.How much would the price of good Y have to change in order to change the consumption of good X by 20 percent? Suppose you are sick.Write a note to your head teacher and ask for a leave probailty question (ANOTHER)3.Suppose that a discrete random variable X assumes values from the set SX = {0,1,2,…,8}.Suppose that the pmf of X has the form,px(k) = a*k for k=0,1,2,...,8and zero otherwise.(a) Find the value of a .(b) Find the probab 线性代数相关证明 Suppose that,for a given matrix A,there is a nonzero vector x such that Ax=0.Show that there is also a nonzero vector y such that A*y=0 suppose that f(x)=3x+5 and g(x)=-2x+15.solve |f(suppose that f(x)=3x+5 and g(x)=-2x+15.solve |f(x)|>2 用移向做 3q1.3分之y=y-42.2x：3=6:5