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Sagot :
Given a classic deck of cards made up of 52 cards
Made up of 13 spades, hearts, diamonds and clubs each,
The formula of Probabaility is given below as,
[tex]\text{Probabilty}=\frac{\operatorname{Re}quired\text{ outcome}}{Possible\text{ outcome}}[/tex]Where the Possible outcome = 52
The probability that a 6 of diamonds is selected is,
[tex]\begin{gathered} \text{required outcome = 1} \\ \text{Probability of a 6 of diamonds=}\frac{1}{52} \end{gathered}[/tex]Probability that a 6 of diamonds is selected is 1/52
The probability that a heart or a diamond is selected,
[tex]\begin{gathered} Probabilty\text{ of a heart P}(H)\text{=}\frac{13}{52} \\ \text{Probability of a diamond=}\frac{13}{52} \\ \text{Probability of a heart or a diamond=}\frac{13}{52}+\frac{13}{52}=\frac{1}{4}+\frac{1}{4}=\frac{1}{2} \end{gathered}[/tex]Probability that a heart or a diamond is selected is 1/2
Probability that a number smaller than 4 (counting the ace as 1) is selected is,
[tex]\begin{gathered} \text{Probability of picking a ace=}\frac{4}{52} \\ \text{Probability of picking a 2=}\frac{4}{52} \\ \text{Probability of picking a 3=}\frac{4}{52} \\ \text{Probability of picking a number smaller than 4=}\frac{4}{52}+\frac{4}{52}+\frac{4}{52}=\frac{3}{13} \end{gathered}[/tex]Probability that a number smaller than 4 (counting the ace as 1) is selected is 3/13
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