1 Las librerías
library(dplyr)
##
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
##
## filter, lag
## The following objects are masked from 'package:base':
##
## intersect, setdiff, setequal, union
library(gtools)
library(knitr)
include_graphics("https://img.freepik.com/vector-gratis/diseno-cartas-poker_75180-707.jpg?size=338&ext=jpg")

2. Cargar cartas
source("/cloud/project/mis.funciones.r")
source(“../funciones/mis.funciones.r”)
- Determinar probabilidades
n <- length(mazo)
n
## [1] 52
3.1. ¿Cuál es la probabilidad de que salga exactamente el 7 de corazones rojos en la primer carta?
paste("El número de cartas probable es ", 1)
## [1] "El número de cartas probable es 1"
prob <- 1 / n * 100 # Porcentuales
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 1.92 %"
3.2 ¿Cuál es la probabilidad de que salga un Rey de cualquier figura en la primer carta?
cuantas <- length(mazo[which(mazo == 'K')])
paste("El número de cartas probable es ", cuantas)
## [1] "El número de cartas probable es 4"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 7.69 %"
3.3. ¿Cuál es la probabilidad de que salga un As en la primer carta repartida?
cuantas <- length(mazo[which(mazo == 'A')])
paste("El número de cartas probable es ", cuantas)
## [1] "El número de cartas probable es 4"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 7.69 %"
3.4. ¿Cuál es la probabilidad de que en la primer carta se tengan 10 puntos?
cuantas <- length(mazo[which(mazo == '10' | mazo == 'J' | mazo == 'Q' | mazo == 'K')])
cuantas
## [1] 16
paste("El número de cartas probable es ", cuantas)
## [1] "El número de cartas probable es 16"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 30.77 %"
3.5. ¿Cuál es la probabilidad de si eliges y/o te dan dos cartas como en el juego de Black Jack, de que sumadas sea mayor o igual a 15?
casos <- data.frame(permutations(13,2,baraja, repeats.allowed = TRUE))
names(casos) <- c("C1", "C2")
kable(casos)
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n <- nrow(casos)
n
## [1] 169
casos <- casos %>%
mutate(valor1 = ifelse (C1 == "A", 11,
ifelse(C1 =="J" | C1 == "Q" | C1 == "K",
10,as.numeric(C1))))
## Warning: Problem with `mutate()` input `valor1`.
## ℹ NAs introduced by coercion
## ℹ Input `valor1` is `ifelse(...)`.
## Warning in ifelse(C1 == "J" | C1 == "Q" | C1 == "K", 10, as.numeric(C1)): NAs
## introduced by coercion
casos <- casos %>%
mutate(valor2 = ifelse (C2 == "A", 11,
ifelse(C2 =="J" | C2 == "Q" | C2 == "K",
10,as.numeric(C2))))
## Warning: Problem with `mutate()` input `valor2`.
## ℹ NAs introduced by coercion
## ℹ Input `valor2` is `ifelse(...)`.
## Warning in ifelse(C2 == "J" | C2 == "Q" | C2 == "K", 10, as.numeric(C2)): NAs
## introduced by coercion
casos <- casos %>%
mutate(suma = valor1 + valor2)
kable(casos)
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- ¿En cuántas ocasiones la suma de las dos cartas es mayor o igual a 15?
cuales <- filter(casos, suma >= 15)
cuantas <- nrow(cuales)
paste("El número de casos probable es que la suma sea igual o superior 15 es: ", cuantas)
## [1] "El número de casos probable es que la suma sea igual o superior 15 es: 87"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 51.48 %"
3.6. ¿Cuál es la la probabilidad de que la suma de las dos cartas sea exactamente 20?
casos <- data.frame(permutations(13,2,baraja, repeats.allowed = TRUE))
names(casos) <- c("C1", "C2")
kable(casos)
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n <- nrow(casos)
n
## [1] 169
casos <- casos %>%
mutate(valor1 = ifelse (C1 == "A", 11,
ifelse(C1 =="J" | C1 == "Q" | C1 == "K",
10,as.numeric(C1))))
## Warning: Problem with `mutate()` input `valor1`.
## ℹ NAs introduced by coercion
## ℹ Input `valor1` is `ifelse(...)`.
## Warning in ifelse(C1 == "J" | C1 == "Q" | C1 == "K", 10, as.numeric(C1)): NAs
## introduced by coercion
casos <- casos %>%
mutate(valor2 = ifelse (C2 == "A", 11,
ifelse(C2 =="J" | C2 == "Q" | C2 == "K",
10,as.numeric(C2))))
## Warning: Problem with `mutate()` input `valor2`.
## ℹ NAs introduced by coercion
## ℹ Input `valor2` is `ifelse(...)`.
## Warning in ifelse(C2 == "J" | C2 == "Q" | C2 == "K", 10, as.numeric(C2)): NAs
## introduced by coercion
casos <- casos %>%
mutate(suma = valor1 + valor2)
kable(casos)
| 10 |
10 |
10 |
10 |
20 |
| 10 |
2 |
10 |
2 |
12 |
| 10 |
3 |
10 |
3 |
13 |
| 10 |
4 |
10 |
4 |
14 |
| 10 |
5 |
10 |
5 |
15 |
| 10 |
6 |
10 |
6 |
16 |
| 10 |
7 |
10 |
7 |
17 |
| 10 |
8 |
10 |
8 |
18 |
| 10 |
9 |
10 |
9 |
19 |
| 10 |
A |
10 |
11 |
21 |
| 10 |
J |
10 |
10 |
20 |
| 10 |
K |
10 |
10 |
20 |
| 10 |
Q |
10 |
10 |
20 |
| 2 |
10 |
2 |
10 |
12 |
| 2 |
2 |
2 |
2 |
4 |
| 2 |
3 |
2 |
3 |
5 |
| 2 |
4 |
2 |
4 |
6 |
| 2 |
5 |
2 |
5 |
7 |
| 2 |
6 |
2 |
6 |
8 |
| 2 |
7 |
2 |
7 |
9 |
| 2 |
8 |
2 |
8 |
10 |
| 2 |
9 |
2 |
9 |
11 |
| 2 |
A |
2 |
11 |
13 |
| 2 |
J |
2 |
10 |
12 |
| 2 |
K |
2 |
10 |
12 |
| 2 |
Q |
2 |
10 |
12 |
| 3 |
10 |
3 |
10 |
13 |
| 3 |
2 |
3 |
2 |
5 |
| 3 |
3 |
3 |
3 |
6 |
| 3 |
4 |
3 |
4 |
7 |
| 3 |
5 |
3 |
5 |
8 |
| 3 |
6 |
3 |
6 |
9 |
| 3 |
7 |
3 |
7 |
10 |
| 3 |
8 |
3 |
8 |
11 |
| 3 |
9 |
3 |
9 |
12 |
| 3 |
A |
3 |
11 |
14 |
| 3 |
J |
3 |
10 |
13 |
| 3 |
K |
3 |
10 |
13 |
| 3 |
Q |
3 |
10 |
13 |
| 4 |
10 |
4 |
10 |
14 |
| 4 |
2 |
4 |
2 |
6 |
| 4 |
3 |
4 |
3 |
7 |
| 4 |
4 |
4 |
4 |
8 |
| 4 |
5 |
4 |
5 |
9 |
| 4 |
6 |
4 |
6 |
10 |
| 4 |
7 |
4 |
7 |
11 |
| 4 |
8 |
4 |
8 |
12 |
| 4 |
9 |
4 |
9 |
13 |
| 4 |
A |
4 |
11 |
15 |
| 4 |
J |
4 |
10 |
14 |
| 4 |
K |
4 |
10 |
14 |
| 4 |
Q |
4 |
10 |
14 |
| 5 |
10 |
5 |
10 |
15 |
| 5 |
2 |
5 |
2 |
7 |
| 5 |
3 |
5 |
3 |
8 |
| 5 |
4 |
5 |
4 |
9 |
| 5 |
5 |
5 |
5 |
10 |
| 5 |
6 |
5 |
6 |
11 |
| 5 |
7 |
5 |
7 |
12 |
| 5 |
8 |
5 |
8 |
13 |
| 5 |
9 |
5 |
9 |
14 |
| 5 |
A |
5 |
11 |
16 |
| 5 |
J |
5 |
10 |
15 |
| 5 |
K |
5 |
10 |
15 |
| 5 |
Q |
5 |
10 |
15 |
| 6 |
10 |
6 |
10 |
16 |
| 6 |
2 |
6 |
2 |
8 |
| 6 |
3 |
6 |
3 |
9 |
| 6 |
4 |
6 |
4 |
10 |
| 6 |
5 |
6 |
5 |
11 |
| 6 |
6 |
6 |
6 |
12 |
| 6 |
7 |
6 |
7 |
13 |
| 6 |
8 |
6 |
8 |
14 |
| 6 |
9 |
6 |
9 |
15 |
| 6 |
A |
6 |
11 |
17 |
| 6 |
J |
6 |
10 |
16 |
| 6 |
K |
6 |
10 |
16 |
| 6 |
Q |
6 |
10 |
16 |
| 7 |
10 |
7 |
10 |
17 |
| 7 |
2 |
7 |
2 |
9 |
| 7 |
3 |
7 |
3 |
10 |
| 7 |
4 |
7 |
4 |
11 |
| 7 |
5 |
7 |
5 |
12 |
| 7 |
6 |
7 |
6 |
13 |
| 7 |
7 |
7 |
7 |
14 |
| 7 |
8 |
7 |
8 |
15 |
| 7 |
9 |
7 |
9 |
16 |
| 7 |
A |
7 |
11 |
18 |
| 7 |
J |
7 |
10 |
17 |
| 7 |
K |
7 |
10 |
17 |
| 7 |
Q |
7 |
10 |
17 |
| 8 |
10 |
8 |
10 |
18 |
| 8 |
2 |
8 |
2 |
10 |
| 8 |
3 |
8 |
3 |
11 |
| 8 |
4 |
8 |
4 |
12 |
| 8 |
5 |
8 |
5 |
13 |
| 8 |
6 |
8 |
6 |
14 |
| 8 |
7 |
8 |
7 |
15 |
| 8 |
8 |
8 |
8 |
16 |
| 8 |
9 |
8 |
9 |
17 |
| 8 |
A |
8 |
11 |
19 |
| 8 |
J |
8 |
10 |
18 |
| 8 |
K |
8 |
10 |
18 |
| 8 |
Q |
8 |
10 |
18 |
| 9 |
10 |
9 |
10 |
19 |
| 9 |
2 |
9 |
2 |
11 |
| 9 |
3 |
9 |
3 |
12 |
| 9 |
4 |
9 |
4 |
13 |
| 9 |
5 |
9 |
5 |
14 |
| 9 |
6 |
9 |
6 |
15 |
| 9 |
7 |
9 |
7 |
16 |
| 9 |
8 |
9 |
8 |
17 |
| 9 |
9 |
9 |
9 |
18 |
| 9 |
A |
9 |
11 |
20 |
| 9 |
J |
9 |
10 |
19 |
| 9 |
K |
9 |
10 |
19 |
| 9 |
Q |
9 |
10 |
19 |
| A |
10 |
11 |
10 |
21 |
| A |
2 |
11 |
2 |
13 |
| A |
3 |
11 |
3 |
14 |
| A |
4 |
11 |
4 |
15 |
| A |
5 |
11 |
5 |
16 |
| A |
6 |
11 |
6 |
17 |
| A |
7 |
11 |
7 |
18 |
| A |
8 |
11 |
8 |
19 |
| A |
9 |
11 |
9 |
20 |
| A |
A |
11 |
11 |
22 |
| A |
J |
11 |
10 |
21 |
| A |
K |
11 |
10 |
21 |
| A |
Q |
11 |
10 |
21 |
| J |
10 |
10 |
10 |
20 |
| J |
2 |
10 |
2 |
12 |
| J |
3 |
10 |
3 |
13 |
| J |
4 |
10 |
4 |
14 |
| J |
5 |
10 |
5 |
15 |
| J |
6 |
10 |
6 |
16 |
| J |
7 |
10 |
7 |
17 |
| J |
8 |
10 |
8 |
18 |
| J |
9 |
10 |
9 |
19 |
| J |
A |
10 |
11 |
21 |
| J |
J |
10 |
10 |
20 |
| J |
K |
10 |
10 |
20 |
| J |
Q |
10 |
10 |
20 |
| K |
10 |
10 |
10 |
20 |
| K |
2 |
10 |
2 |
12 |
| K |
3 |
10 |
3 |
13 |
| K |
4 |
10 |
4 |
14 |
| K |
5 |
10 |
5 |
15 |
| K |
6 |
10 |
6 |
16 |
| K |
7 |
10 |
7 |
17 |
| K |
8 |
10 |
8 |
18 |
| K |
9 |
10 |
9 |
19 |
| K |
A |
10 |
11 |
21 |
| K |
J |
10 |
10 |
20 |
| K |
K |
10 |
10 |
20 |
| K |
Q |
10 |
10 |
20 |
| Q |
10 |
10 |
10 |
20 |
| Q |
2 |
10 |
2 |
12 |
| Q |
3 |
10 |
3 |
13 |
| Q |
4 |
10 |
4 |
14 |
| Q |
5 |
10 |
5 |
15 |
| Q |
6 |
10 |
6 |
16 |
| Q |
7 |
10 |
7 |
17 |
| Q |
8 |
10 |
8 |
18 |
| Q |
9 |
10 |
9 |
19 |
| Q |
A |
10 |
11 |
21 |
| Q |
J |
10 |
10 |
20 |
| Q |
K |
10 |
10 |
20 |
| Q |
Q |
10 |
10 |
20 |
- ¿En cuántas ocasiones las dos cartas suman 20?
cuales <- filter(casos, suma == 20)
cuantas <- nrow(cuales)
paste("El número de casos probable es que la suma sea 20 es: ", cuantas)
## [1] "El número de casos probable es que la suma sea 20 es: 18"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 10.65 %"
3.7. Cuál es la probabilidad de que en las dos cartas sumando sus puntos sea menor o igual que 10?
cuales <- filter(casos, suma <= 10)
cuantas <- nrow(cuales)
paste("El número de casos probable para suma menor o igual a 10 es:", cuantas)
## [1] "El número de casos probable para suma menor o igual a 10 es: 28"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 16.57 %"
3.8. ¿Cuál es la probabilidad de que en las dos cartas sea un valor menor a 5?
cuales <- filter(casos, suma < 5)
cuantas <- nrow(cuales)
paste("El número de casos probable para suma menor a 5 es:", cuantas)
## [1] "El número de casos probable para suma menor a 5 es: 1"
prob <- cuantas / n * 100
paste("La probabilidad es ", round(prob,2), "%")
## [1] "La probabilidad es 0.59 %"
3.9. ¿Cuál de las combinaciones con la suma de los puntos de las cartas tiene la más alta probabilidad de salir?, es decir, 8, 9, 10, 11, 12….
casos %>%
arrange(desc(suma) )
## C1 C2 valor1 valor2 suma
## 1 A A 11 11 22
## 2 10 A 10 11 21
## 3 A 10 11 10 21
## 4 A J 11 10 21
## 5 A K 11 10 21
## 6 A Q 11 10 21
## 7 J A 10 11 21
## 8 K A 10 11 21
## 9 Q A 10 11 21
## 10 10 10 10 10 20
## 11 10 J 10 10 20
## 12 10 K 10 10 20
## 13 10 Q 10 10 20
## 14 9 A 9 11 20
## 15 A 9 11 9 20
## 16 J 10 10 10 20
## 17 J J 10 10 20
## 18 J K 10 10 20
## 19 J Q 10 10 20
## 20 K 10 10 10 20
## 21 K J 10 10 20
## 22 K K 10 10 20
## 23 K Q 10 10 20
## 24 Q 10 10 10 20
## 25 Q J 10 10 20
## 26 Q K 10 10 20
## 27 Q Q 10 10 20
## 28 10 9 10 9 19
## 29 8 A 8 11 19
## 30 9 10 9 10 19
## 31 9 J 9 10 19
## 32 9 K 9 10 19
## 33 9 Q 9 10 19
## 34 A 8 11 8 19
## 35 J 9 10 9 19
## 36 K 9 10 9 19
## 37 Q 9 10 9 19
## 38 10 8 10 8 18
## 39 7 A 7 11 18
## 40 8 10 8 10 18
## 41 8 J 8 10 18
## 42 8 K 8 10 18
## 43 8 Q 8 10 18
## 44 9 9 9 9 18
## 45 A 7 11 7 18
## 46 J 8 10 8 18
## 47 K 8 10 8 18
## 48 Q 8 10 8 18
## 49 10 7 10 7 17
## 50 6 A 6 11 17
## 51 7 10 7 10 17
## 52 7 J 7 10 17
## 53 7 K 7 10 17
## 54 7 Q 7 10 17
## 55 8 9 8 9 17
## 56 9 8 9 8 17
## 57 A 6 11 6 17
## 58 J 7 10 7 17
## 59 K 7 10 7 17
## 60 Q 7 10 7 17
## 61 10 6 10 6 16
## 62 5 A 5 11 16
## 63 6 10 6 10 16
## 64 6 J 6 10 16
## 65 6 K 6 10 16
## 66 6 Q 6 10 16
## 67 7 9 7 9 16
## 68 8 8 8 8 16
## 69 9 7 9 7 16
## 70 A 5 11 5 16
## 71 J 6 10 6 16
## 72 K 6 10 6 16
## 73 Q 6 10 6 16
## 74 10 5 10 5 15
## 75 4 A 4 11 15
## 76 5 10 5 10 15
## 77 5 J 5 10 15
## 78 5 K 5 10 15
## 79 5 Q 5 10 15
## 80 6 9 6 9 15
## 81 7 8 7 8 15
## 82 8 7 8 7 15
## 83 9 6 9 6 15
## 84 A 4 11 4 15
## 85 J 5 10 5 15
## 86 K 5 10 5 15
## 87 Q 5 10 5 15
## 88 10 4 10 4 14
## 89 3 A 3 11 14
## 90 4 10 4 10 14
## 91 4 J 4 10 14
## 92 4 K 4 10 14
## 93 4 Q 4 10 14
## 94 5 9 5 9 14
## 95 6 8 6 8 14
## 96 7 7 7 7 14
## 97 8 6 8 6 14
## 98 9 5 9 5 14
## 99 A 3 11 3 14
## 100 J 4 10 4 14
## 101 K 4 10 4 14
## 102 Q 4 10 4 14
## 103 10 3 10 3 13
## 104 2 A 2 11 13
## 105 3 10 3 10 13
## 106 3 J 3 10 13
## 107 3 K 3 10 13
## 108 3 Q 3 10 13
## 109 4 9 4 9 13
## 110 5 8 5 8 13
## 111 6 7 6 7 13
## 112 7 6 7 6 13
## 113 8 5 8 5 13
## 114 9 4 9 4 13
## 115 A 2 11 2 13
## 116 J 3 10 3 13
## 117 K 3 10 3 13
## 118 Q 3 10 3 13
## 119 10 2 10 2 12
## 120 2 10 2 10 12
## 121 2 J 2 10 12
## 122 2 K 2 10 12
## 123 2 Q 2 10 12
## 124 3 9 3 9 12
## 125 4 8 4 8 12
## 126 5 7 5 7 12
## 127 6 6 6 6 12
## 128 7 5 7 5 12
## 129 8 4 8 4 12
## 130 9 3 9 3 12
## 131 J 2 10 2 12
## 132 K 2 10 2 12
## 133 Q 2 10 2 12
## 134 2 9 2 9 11
## 135 3 8 3 8 11
## 136 4 7 4 7 11
## 137 5 6 5 6 11
## 138 6 5 6 5 11
## 139 7 4 7 4 11
## 140 8 3 8 3 11
## 141 9 2 9 2 11
## 142 2 8 2 8 10
## 143 3 7 3 7 10
## 144 4 6 4 6 10
## 145 5 5 5 5 10
## 146 6 4 6 4 10
## 147 7 3 7 3 10
## 148 8 2 8 2 10
## 149 2 7 2 7 9
## 150 3 6 3 6 9
## 151 4 5 4 5 9
## 152 5 4 5 4 9
## 153 6 3 6 3 9
## 154 7 2 7 2 9
## 155 2 6 2 6 8
## 156 3 5 3 5 8
## 157 4 4 4 4 8
## 158 5 3 5 3 8
## 159 6 2 6 2 8
## 160 2 5 2 5 7
## 161 3 4 3 4 7
## 162 4 3 4 3 7
## 163 5 2 5 2 7
## 164 2 4 2 4 6
## 165 3 3 3 3 6
## 166 4 2 4 2 6
## 167 2 3 2 3 5
## 168 3 2 3 2 5
## 169 2 2 2 2 4
- ¿Cuál puntuación de la suma de las dos cartas es la mas frecuente?
- 18
Interpretacion del caso
En el punto 3.1 la probabilidad de que salga un 7 de corazones es la misma probabilidad de que salga cualquier otra carta 1 de 52 o 1.92%.
En el punto 3.2 y 3.3 es la probabilidad de obtener un rey en la primer carta es la misma que la de obtener un AS o un 2, o un 3, etcetera
En el punto 3.4 la probalilidad de que en la primer carta se tengan 10 puntos es de 30.77 %", por lo tanto la probabilidad de obtener una primer carta menor a 10 es del 69.33%.
Para el punto 3.5 y 3.6 el numero total de posibilidades es de 169 de las cuales 87 son mayores o iguales a 15, y de esas 169 solo 18 son igual a 20. Para el punto 3.7 solo hay 28 casos en el que la suma es menor o igual a 10, y para el punto 3.8 solo hay un caso en el que la suma es menor a 5.
Para el punto 3.9 nos dice que cual es la suma de cartas que tiene la mas alta probabilidad de salir o cual es la moda, observando la tabla se puede distinguir la suma de 10 y 11.