SAT数学题概率题求解答If n and p are to be selected at random from sets N and P respectively,what is the probability the n/(2p) will be a member of set 求讲解解题思路N {12,18,2,6}P {1,4,2,3}

SAT数学题概率题求解答If n and p are to be selected at random from sets N and P respectively,what is the probability the n/(2p) will be a member of set 求讲解解题思路N {12,18,2,6}P {1,4,2,3} 问几道SAT概率数学题没学过高中概率,希望讲的详细一些.1.If p,r,m,n,t and s are six different prime numbers greater than 2,and n=p*r*s*m*n*t,how many positive factors,including 1 and n,does n have?2.If someone throws a dice twice,o 关于一题SAT数学题If f(x)=x^3+1 and of f^(-1)（x) is the inverse function of f,what is f^(-1)(4)? 答案是1.44 求详细解答! 谢谢谢!inverse function 是什么? sat的2道数学题!1.If j k and n are consecutive integers such that 0 一道概率题,求解答 SAT两道数学题求解答!1.At time t=0,a ball was thrown upward from an initial height of 6 feet. Until the ball hit the ground, its height, in feet, after t seconds was given by the function h above, in which c and d are positive constants. If th 四道SAT数学题求解答1.If points X and Y are two distinct points in the coordinate plane, which of the following can have more than one possible value?A The circumference of a circle with diameter XY.B The area of a square with diagonal XY.C Th SAT概率题求解答Five red balls and two blue balls are placed in an empty box.One ball a time is to be selected randomly and removed 4 balls from the box.What is the probability that the first two balls removed will be red and third ball removed 数学题求解答21题 数学题,求解答!第五题 SAT数学题~求大神解答~居然问的是最小的~ sat数学题一道求高手 求问一道SAT数学题 概率数学题解答设X~N(3,9),则P(2X平方大于18)=? 概率大神,求解答14 15题 概率密度题,求大神解答!急! 求帮解答一道概率题 高中数学理科概率题,求高手解答.