2013年4月新gre考试：gre数学冲刺要点之Conditional
新gre数学的难度相当于高中数学水平，只要大家认真复习，在新gre数学考试中拿高分甚至拿满分都是很有可能的。不过大家也不能忽略新gre数学中可能会出现的考点难点。下面，就为大家整理新GRE数学复习要点:Conditional，希望对大家有所帮助。 Conditional Probability of event A conditioned on the fact that event B has happened is called the conditional probability and written as P(AIB). P(AIB)=Probability Both A and B happens/ Probability B happens. Example: A six-sided die with faces from 1 to 6 is rolled twice. What is the probability that the face 5 turned up on first try given that the sum of the two faces is 9? P(sum of faces is 9)=4/36=1/9. P(fac... [ 查看全文 ]2013年4月新gre考试：gre数学冲刺要点之Conditional的相关文章
2013年4月新gre考试：gre数学冲刺要点之Coefficient
新gre数学的难度相当于高中数学水平，只要大家认真复习，在新gre数学考试中拿高分甚至拿满分都是很有可能的。不过大家也不能忽略新gre数学中可能会出现的考点难点。下面，就为大家整理新GRE数学复习要点:Coefficient，希望对大家有所帮助。 Coefficient A constant multiplier of a variable is known as coefficient. T...[ 查看全文 ]2013年4月新gre考试备考：gre数学考点之Roots of Polynomial
The number c is a root of a polynomial p(x), if p(c)=0. An n-th order polynomial has n complex roots. Example: 2 is a root of polynomial p(x)=x-2,since p(2)=2-2=0. 1 is a root of polynomial p(x)=x...[ 查看全文 ]
