百度试题 结果1 题目A bag contains 4 red balls, 2 green balls and 3 blue balls. A ball is drawn and not replaced. A second ball is drawn. Find the probability of drawing: One green ball and one red ball. 相关知识点: 试题来源: 解析 29 ...
Chung-Sook brings up a tent bag and a guitar case from the storage basement. Da-Hae gives up and puts on her large bluetooth headphones, shutting out reality. Yon-Kyo takes Chung-Sook to the living room where the three dogs are. YON-KYO (CONT’D) I’m sure you know all of th...
A bag contains 4 red chips, 2 blue chips, and 3 white chips. If one chip is drawn at random, what is the probability that the chip will not be red?A.59B.79C.59D.49E.29 相关知识点: 试题来源: 解析 AThere are total 4+3+2=9 chips.There are 4 red chips.The probability to ...
Problem 1:A bag contains 4 red chips,3 bluechips,and 2 white chips.If one chip is drawn at ran-dom,what is the probability that the chip will not be red?Express your answer as a common fraction.Problem 1:A bag contains 4 red chips,3 blue chips,and 2 white chips. If one chip is...
【题目】14 A bag contains 4 red balls, 2 white balls, 1 yellow ball and some blue balls. They areidentical except for the colour. Xiao Ming thinks that since there are 4 different colours ofballs in the bag, when a ball i randomly picked from it, the chance of getting a red ball,...
【题目】Bag A contains four cards numbered1, 3, 5 and 7 respectively while bag B contains five cards numbered 2, 4, 6, 8 and 10 respectively. If one card is randomly drawn fromeach bag, find the probability that the sum ofthe two numbers drawn is less than 9.A袋内有四张卡.该四张...
1A bag contains four pieces of paper, each labeled with one of the digits "1,2,3" or "4", with no repeats. Three of these pieces are drawn, one at a time without replacement, to construct a three-digit number. What is the probability that the three-digit number is a multiple of ...
A bag contains four green marbles and six yellow marbles. If two marbles are drawn randomly without replacement. What is the probability that both are green? A. 2/15 B. 1/15 C. 4/15 D. 6/15 相关知识点: 试题来源: 解析 A。第一次取到绿色 marble 的概率是 4/10,取走一个绿色后还剩...
A bag contains 4 green marbles and 6 yellow marbles. If two marbles are randomly picked one after another without replacement, the probability of getting a green marble first and then a yellow marble is _. A. 4/15 B. 8/15 C. 4/21 D. 2/9 ...
A bag contains 4 green marbles and 6 yellow marbles. What is the probability of picking a green marble? A. 2/5 B. 4/10 C. 3/5 D. 1/2 相关知识点: 试题来源: 解析 A。总共有 10 个弹珠,4 个是绿色的,所以概率是 4/10,化简为 2/5。B 选项未化简;C 选项是抽到黄色弹珠的概率;D ...