What is the probability that it is an odd integer whose digits are all distinct?A: B: C: D: E: 答案 BThere are integers between and inclusive. For an integer to be odd it must end in , , , , or . So there are choices for the units digit. For a number to be between and ...
In a lottery, there are 100 tickets. One ticket will win a prize. What is the probability of winning if you have one ticket? A. 1/100 B. 1/99 C. 99/100 D. 100/99 相关知识点: 试题来源: 解析 A。解析:总共有 100 张票,一张票中奖的概率就是 1 除以 100。
Discover the answer to “what is a whole number” and learn more about why this specific type of math is important in everyday life.
The lack of fully trained teachers is a national challenge in Sweden despite numerous attempts by authorities to approach the issue from a long-term perspective. The proportion of fully trained teachers needs to increase by just over 50% by 2035, and the imbalance will continue for many years ...
Well, basically it refers to the number of galaxies there are within a cluster. Student: Is that the same as density? Professor: That's right. Both richness and density refer to the number per area. Rich clusters, or dense clusters, contain a relatively high number of galaxies. ...
一枚硬币掷3次,每次都有正反两种可能,所以总共有2^3=8种可能的结果。 第二步,我们计算至少有2次连续正面朝上的结果数。这种情况有3种可能:正正反、正正正、反正正。 第三步,我们根据条件概率的公式,计算至少有2次连续正面朝上的概率。概率等于满足条件的结果数除以总的结果数,即3/8。
An integer is selected at random from between 1 and 200, then probability that integer is divisible by 2,3,6, or 8 is . View Solution If an integer is chosen at random from the first two hundred, then probability that it is divisible by 6 or 8 is ...
【题目】what is the answer of this probality q uestion?1. Suppose that visitors to a web page can click one of two buttons:"buy" or "cancel".V isitors make decisions independently and for each vis itor P["buy"]=0.3P["cancel"] = 0.7(a) If 6 people visit the web page,what ...
This is what breakfast typically looks like for a pro athlete versus the average person｜揭秘：专业运动员的早餐和普通人的早餐有什么不同？Photo/Pexels You may wonder what exactly the professional athletes eat for breakfast to be able to perform impressive physical feats.你可能会好奇，专业运动员每天...
What is the professor's opinion about the effects of the new number system on European society? A. Its most important effects were on merchants and tradespeople. B. It had little impact on daily life. C. It affected engineers more than other scientists. ...