标准扑克牌抽卡概率计算
几何画板及绘图内容加载中,请稍等……
①本范例演示从标准52张扑克牌中抽取一张梅花或一张A的概率计算;②涉及的核心数学概念为概率统计中的基本概率计算与分类计数原理;③作图要点提炼自GeoGebra命令:使用了Border, Gear, Book, Nexbl, prebl, nexgr, pregr, Probar, Stepmax, Slider, Stepof, P, Q, DatakitBG, Dataclose, WordstoknowBG, Wordsclose, Originalbutton, RandomButton, Pref, Type, Refres, text1, suVal, text2, prVal, DKT1, DKT2, Question1, Pg1A, Pg1D, Pg1E, Pg1L, Pg2A, Pg2B, Pg2C, Pg2E, Pg2F, Pg2G, Pg2H等命令/对象进行交互式概率演示;④适合高中阶段数学教学,用于概率统计基础知识的可视化教学与理解。
GeoGebra 命令及参数
LaTeX((("\text{Suit=" * suVal) * "}")) → DKT1LaTeX((("\text{Card=" * prVal) * "}")) → DKT2LaTeX("\text{Cassidy is playing a game that involves drawing a card from a standard deck of \textcolor{#000099}{52} cards.What is the probability of }") → Question1LaTeX("\text{Identify the number of outcomes in the sample space.}") → Pg1ALaTeX("\text{There are \textcolor{#000099}{ 52} outcomes in the sample space.}") → Pg1DLaTeX("\text{Identify the number of outcomes in the event.}") → Pg1ELaTeX((((("\text{Therefore,there are \textcolor{#000099}{4 + 13\; – \;1 = 16} outcomes in the event “drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "}”.}")) → Pg1LLaTeX("\text{Determine the probability of the event.}") → Pg2ALaTeX("\text{Use the formula for the probability of an event:}") → Pg2BLaTeX("\text{\textcolor{#000099}{P(E)}=\frac{number \;of \;outcomes\; in\textcolor{#000099}{\;E}}{number\; of\; outcomes \;in \;the \;sample \;space}}") → Pg2CLaTeX("\text{outcomes in the sample space is \textcolor{#000099}{52}.Substitute these values into the formula.}") → Pg2ELaTeX("\text{\textcolor{#000099}{P(E)}=\frac{number \;of \;outcomes\; in\textcolor{#000099}{\;E}}{number\; of\; outcomes \;in \;the \;sample \;space}}") → Pg2FLaTeX("\text{Probability formula}") → Pg2GLaTeX((((("\text{\textcolor{#000099}{P}(drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "})=\textcolor{#000099}{\frac{(16)}{(52)}}}")) → Pg2HLaTeX((((("\text{In this formula,the event (\textcolor{#000099}{E}) is “drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "}”,the number of outcomes in the event is \textcolor{#000099}{16},and the number of}")) → Pg2DLaTeX((((("\text{\textcolor{#000099}{P}(drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "})=\textcolor{#000099}{\frac{4}{13}}}")) → Pg2KLaTeX("\text{Simplify.}") → Pg2LLaTeX((((("\text{The probability of drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "} is \textcolor{#000099}{\frac{4}{13}}.}")) → Pg2MLaTeX("\text{Express the probability as a decimal and a percent.}") → Pg3ALaTeX("\text{The probability as a fraction is \textcolor{#000099}{\frac{4}{13}}.}") → Pg3BLaTeX("\text{To express the probability as a decimal,divide \textcolor{#000099}{4} by \textcolor{#000099}{13}.}") → Pg3CLaTeX("\text{\textcolor{#000099}{4 ÷ 13 ≈ 0.31}}") → Pg3DLaTeX("\text{To express the probability as a percent,move the decimal point two places to the right.This is equivalent to multiplying}") → Pg3ELaTeX("\text{the decimal by \textcolor{#000099}{100}.}") → Pg3FLaTeX("\text{\textcolor{#000099}{0.31\; • \;100 = 31%}}") → Pg3GLaTeX("\text{already noted.Eliminate the duplicate.}") → Pg1KLaTeX((((((((((("\text{There are \textcolor{#000099}{four\; " * prVal) * "}:the \textcolor{#000099}{") * prVal) * "} of \textcolor{#000099}{spades},the \textcolor{#000099}{") * prVal) * "} of \textcolor{#000099}{ clubs},the \textcolor{#000099}{") * prVal) * "} of \textcolor{#000099}{ diamonds},and the \textcolor{#000099}{") * prVal) * "} of \textcolor{#000099}{ hearts}.}")) → Pg1HLaTeX((((((((((("\text{There are \textcolor{#000099}{13\;" * suVal) * "s},but of those \textcolor{#000099}{") * suVal) * "} there is \textcolor{#000099}{one\;") * prVal) * "} of \textcolor{#000099}{") * suVal) * "s} that was already included in the \textcolor{#000099}{four\; ") * prVal) * "} }")) → Pg1ILaTeX("\text{\textcolor{#000099}{P(E)}=\frac{number \;of \;outcomes\; in\textcolor{#000099}{\;E}}{number\; of\; outcomes \;in \;the \;sample \;space} in a uniform probability model.}") → WTK2LaTeX((((("\text{drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "}? Express the probability as a fraction,a decimal,and a percent.}")) → Question2LaTeX("\text{\mathbf{Probability\;of\;an\;event\;\textcolor{#000099}{E}} denoted \textcolor{#000099}{ P(E)},and is given by}") → WTK1LaTeX("\text{There are \textcolor{#000099}{52} cards in a standard deck of cards.There are four suits:\textcolor{#000099}{hearts},\textcolor{#000099}{diamonds},\textcolor{#000099}{clubs},and\;\textcolor{#000099}{spades}.}") → Pg1BLaTeX("\text{Each suit has\;\textcolor{#000099}{13} cards:\textcolor{#000099}{2},\textcolor{#000099}{3},\textcolor{#000099}{4},\textcolor{#000099}{5},\textcolor{#000099}{6},\textcolor{#000099}{7},\textcolor{#000099}{8},\textcolor{#000099}{9},\textcolor{#000099}{10},\textcolor{#000099}{jack},\textcolor{#000099}{queen},\textcolor{#000099}{king},and\;\textcolor{#000099}{ace}.}") → Pg1CLaTeX((((("\text{Identify the cards that represent the event “drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "}”.In other words,identify the cards that}")) → Pg1FLaTeX((((((((("\text{have a \textcolor{#000099}{" * suVal) * "},\textcolor{#000099}{") * prVal) * "},or both a \textcolor{#000099}{") * suVal) * "} and \textcolor{#000099}{") * prVal) * "}.}")) → Pg1GLaTeX((((((((("\text{The probability of drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "},\textcolor{#000099}{P}(drawing a \textcolor{#000099}{") * suVal) * "} or \textcolor{#000099}{") * prVal) * "}),can be expressed as \textcolor{#000099}{\frac{4}{13}},or approximately \textcolor{#000099}{0.31},}")) → Pg3HLaTeX("\text{or approximately\;\textcolor{#000099}{31%}.Notice that only the fraction gives the exact probability.The decimal and percent representations}") → Pg3ILaTeX("\text{are approximations.}") → Pg3JLaTeX((((("\text{Substitute “drawing a \textcolor{#000099}{" * suVal) * "} or \textcolor{#000099}{") * prVal) * "}” for \textcolor{#000099}{E},\textcolor{#000099}{16} for the number of }")) → Pg2ILaTeX("\text{outcomes in \textcolor{#000099}{E},and \textcolor{#000099}{52} for the number of outcomes in the sample space.}") → Pg2J
AI 绘图提示语参考
画一个标准扑克牌的概率计算图示,包含52张牌的样本空间和抽到黑桃或A的事件。展示样本空间有52种可能,事件包含4张黑桃加13张普通A减去1张重复的A,共16种可能。用公式P(E)=事件数/样本空间数计算概率,结果为4/13,约等于0.31或31%。用不同颜色区分样本空间和事件,并标注关键步骤和计算过程。
以上提示语为根据原始绘图命令整理而来,仅供参考。