[ad_1] The paper should be double-spaced and written in a Times New Roman, 12-point font size. There should be four sections (see below), and each section should have a heading (i.e., Site Selection and Information). The paper should be written in paragraph
Probability theory
[ad_1] There are two boxes, containing 1 black ball and 10 white balls and 6 black balls and 7 white balls respectively. 4 Balls are randomly taken from the first box and put in the second box. Then one ball