皮皮学，免费搜题
登录
搜题
【判断题】
临水设亭要尽量抬高于水面,减少对水面的影响A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】某厂发生食物中毒,9名患者潜伏期分别为:2、6、3、30、2、14、2、24(小时),问该食物中毒的平均潜伏期为多少小时?()
A.
5
B.
5.5
C.
6
D.
11
E.
12
【单选题】The regression equation Y = 3 + 2X has been calculated from 6 pairs of values, with X ranging from 1 to 10. The correlation coefficient is 0.8. It is estimated that Y = 43 when X = 20. Which of the fo...
A.
(i) and (ii) only
B.
(i) and (iii) only
C.
(ii) and (iv) only
D.
(i) and (iv) only
【单选题】某厂发生食物中毒, 9 名患者潜伏期分别为: 16 、 2 、 6 、 3 、 30 、 2 、 14 、 2 、 24 (小时),问该食物中毒的平均潜伏期为多少小时?()
A.
5
B.
5.5
C.
6
D.
11
E.
12
【简答题】We had a family where I saw relatives I hadn’t seen for 20 years. urge estimate reunion hang out
【单选题】The regression equation Y=3+2x has been calculated from 6 pairs of values, with x range from 1 to 10. The correlation coefficient is 0.8. It is estimated that y=43 when x=20.Which of the following are...
A.
(i) and (ii) only
B.
(i) and (iii) only
C.
(ii) and (iv) only
D.
(i) and (iv) only
【简答题】I (estimate)____the number of people who would come this morning; I thought there would be more.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
