论文部分内容阅读
概率与统计问题是近几年高考的重点和热点之一.2012年高考湖南文、理科试卷中各保持了2道客观题和1道主观题,分值均为22分,约占试卷总分值的15%;2013年和2014年高考为1道客观题和1道主观题,分值为17分,约占试卷总分值的12%,在考核位置和所占分值上基本靠前.一、有机融合1.统计与概率的融合例1(2013年高考湖南理科卷第18题)某人在如图1所示的直角边长为4米的三角形地块的每个格点(指纵、横直线的交叉点以及三角形的顶点)处都种了一株相同品种的作物.
Probability and statistics is one of the key points and hot spots in college entrance examination in recent years .In 2012 college entrance examination in Hunan, science papers each maintain 2 objective questions and 1 subjective questions, scores were 22 points, accounting for the total score of the papers The value of 15%; 2013 and 2014 college entrance examination for an objective question and a subjective question, a score of 17 points, accounting for 12% of the total score of the examination paper, the assessment of the position and share of the basic front First, the organic integration 1. The fusion of statistics and probability Example 1 (2013 college entrance examination in Hunan Science Volume 18) someone in the square as shown in Figure 1 rectangular side of 4 meters for each grid point ( Refers to the vertical and horizontal straight line intersection and the apex of the triangle) all planted a crop of the same variety.