GRE
The probability of outcome E
$$\frac{1}{9}$$
The probability that A or B or both will occur tomorrow
0.92
4
k
The average (arithmetic mean) of $$\frac{1}{S^{2}}$$, $$\frac{1}{S}$$, $$S$$, and $$S^{2}$$
$$2S$$
The median value for the combined sample of the 16 numbers
51
25000 +道题目
269本备考书籍