结果1 题目2. A bag contains yellow and red balls. Two balls are taken out of the bag(R R) (R Y)at random. List the possible outcomes.(Y R) (Y Y) 相关知识点: 试题来源: 解析 (R R) (R Y) (Y R) (Y Y) 反馈 收藏
结果1 题目 9. A bag contains 5 yellow marbles, 10 red marbles, and 15 white marbles. If one marble is selected at random, the probability that it is yellow is(A) 1/6 B) 1/5© 1/2(D) 1/3® 1/(30) 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
百度试题 结果1 题目My bag ___ yellow. ( ) A. are B. is C. am 相关知识点: 试题来源: 解析 B 【分析】 【详解】 句意:我的包是黄色的。主语My bag是第三人称单数,系动词用is,故选B。 【点睛】 反馈 收藏
A bag contains six marbles: two red, one yellow, and three blue. What is the probability of randomly selecting two red marbles in a row, assuming the marbles are not put back in the bag after being drawn? ( ) A. 1(15) B. 2(15) C. 1(10) D. 1(10) 相关知识点: 试题来源:...
A bag contains n red marbles and 18 yellow marbles. A marble is drawn randomly from the bag. If the probability of choosing a red marble is 13, find the value of n. A.6 B.7 C.8 D.9 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
A bag contains 4 green balls and 6 yellow balls. If two balls are drawn randomly with replacement, what is the probability of getting two green balls? A. 4/25 B. 4/9 C. 16/100 D. 1/4 相关知识点: 试题来源: 解析 B。解析:因为是有放回抽取,每次抽中绿球的概率都是 4/10,两次都...
27) A bag contains 35 balls. 15 of them are pink and the rest are yellow. What is the ratio of the number of yellow balls to the total number of balls?Leave your answer in the simplest form.Ans : 4:7 相关知识点: 试题来源: 解析 4:7 ...
8 (a) A bag contains 20 bulbs.8 are yellow, 5 are red, 4 are white and 3 are pink.Sam takes one bulb at random.Find the probability that the bulb he takes is(i) white,1/(21)Oe →→...[1](ii) blue,0…[1](iii) not pink.(17)/(20)Oe.+++.+++++.++++.+.+++....
结果1 题目The bag ___ yellow stripes is cool. A. with B. of C. in D. on 相关知识点: 试题来源: 解析 A。“with”表示“带有”,带有黄色条纹的包;“of”表示所属关系;“in”通常表示在……里面;“on”表示在……上面。 反馈 收藏 ...
A bag contains 4 green marbles and 6 yellow marbles. If two marbles are drawn without replacement, what is the probability that both are green? A. 2/15 B. 4/15 C. 6/15 D. 8/15 相关知识点: 试题来源: 解析 A。首先计算第一次抽到绿色 marble 的概率为 4/10,因为总共有 10 个 ...