题目A deck of cards has 52 cards. What is the probability of drawing a heart? A. 1/4 B. 1/13 C. 1/52 D. 4/52 相关知识点: 试题来源: 解析 A。解析:一副牌有 52 张,其中有 13 张红心,随机抽一张是红心的概率 反馈 收藏
In a deck of cards, there are 52 cards. What is the probability of drawing a heart? A. 1/4 B. 1/13 C. 4/13 D. 1/52 相关知识点: 试题来源: 解析 A。一副牌有 52 张,其中有 13 张红心,所以概率是 13 除以 52,化简为 1/4。B 选项是抽到某一个特定点数的概率;C 选项是抽到花牌...
A. 1/4 B. 1/52 C. 1/13 D. 1/2 相关知识点: 试题来源: 解析 A。一副牌有 52 张,其中 13 张是红心,所以抽到红心的概率是 13÷52 = 1/4。选项 B 是抽到某一张特定牌的概率。选项 C 计算错误。选项 D 计算错误。反馈 收藏
Example of conditional probability using a deck of cards. Dependent events can be contrasted with independent events. A dependent event is one where the probability of the event occurring is affected by whether or not another event occurred. In contrast, an independent event is one where the prob...
In a deck of 52 playing cards, what is the probability of drawing a heart? A. 1/4 B. 1/52 C. 13/52 D. 4/52 相关知识点: 试题来源: 解析 A。解析:一副牌有 52 张,其中有 13 张红心,所以概率为 13/52 化简为 1/4。反馈 收藏 ...
Three cards are drawn from a deck of 52 cards. What is the probability of getting all hearts? A. (13/52)×(12/51)×(11/50) B. (13/52)×(13/51)×(13/50) C. (39/52)×(38/51)×(37/50) D. (1/52)×(1/51)×(1/50) ...
百度试题 结果1 题目3. What is the probability I draw a heart from a standard deck of cards? 相关知识点: 试题来源: 解析 P( drawing a heart from a deck =(13)/(52)=1/4 反馈 收藏
Event: one or more outcomes of an experimentExample Events: An event can be just one outcome: Getting a Tail when tossing a coin Rolling a "5" An event can include more than one outcome: Choosing a "King" from a deck of cards (any of the 4 Kings) Rolling an "even number" (2, ...
A card is randomly drawn from a deck of 52 cards. What is the probability of getting a heart? A. 1/4 B. 1/52 C. 1/13 D. 1/2 相关知识点: 试题来源: 解析 A。解析:一副牌有 52 张,其中红心有 13 张,所以概率是 13/52 即 1/4。B 选项是一张特定牌的概率;C 选项是抽到某一个...
Choosing a "King" from a deck of cards (any of the 4 Kings)is alsoan event Rolling an "even number" (2, 4 or 6) is an event Events can be: Independent(each event isnotaffected by other events), Dependent(also called "Conditional", where an eventisaffected by other events) ...