El mismo problema anterior, pero volviendo la primera carta al montón. Cuál es la probabilidad de que salga: a) Un rey y un caballo.
b) Un caballo y un rey.
c) Dos reyes.
d) Dos caballos.
e) Un as y uno no as.
f) Uno no as y un as.

Usando un diagrama de árbol. Cuál es la probabilidad de sacar dos caballos al sacar dos cartas de una pelea española con reposición?.

Usando un diagrama de árbol. Cuál es la probabilidad de sacar dos números pares al sacar dos bolas de una urna que contiene 6 bolas numeradas del 1 al 6, sin reposición?.

En una ciudad hay dos institutos: A y B. Se sabe que el 70% de estudiantes de la ciudad van al instituto A y el resto al B. También se sabe que el 60% del alumnado de A le gustan las Matemáticas, mientras que del B solo gusten a un 35%. Calcula la probabilidad que un alumno escogido al azar le gusten las Matemáticas.

Cuál es la probabilidad de sacar dos números primos al sacar dos bolas de una urna que contiene 10 bolas numeradas del 1 al 10, sin reposición?.

Cuál es la probabilidad de sacar una bola con número primo y una segunda bola sin que sea primero de una urna que contiene 10 bolas numeradas del 1 al 10, sin reposición?.

En una clase hay 14 chicos y 11 chicas. Si cojo un grupo de dos personas para realizar una tarea. Cuál es la probabilidad que?
a) Las dos sean chicas.
b) Sean chicos.
c) Sean un grupo mixto.

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

First to answer all gets a donation question 3(multiple choice worth 1 points) (04.01 lc) which of the following levels is lower than cells in the hierarchy of organization of living things? molecules organs organ systems tissues question 4(multiple choice worth 1 points) (04.01 lc) which of these represents an individual form of life such as an animal, plant, or single-celled life form? organ organism organ system tissue question 5(multiple choice worth 1 points) (04.03 lc) what are the green structures inside plant cells where photosynthesis takes place called? chloroplast mitochondrion nucleus vacuole question 6(multiple choice worth 1 points) (04.03 lc) which of the following best matches a part of a living cell with the function it performs? cytoplasm: fluid which carries the nucleus and other organelles vacuole: fluid which carries the nucleus and other organelles cytoplasm: directs all of the cell's activities vacuole: directs all of the cell's activities question 7(multiple choice worth 1 points) (04.03 mc) read the table below. organelles of plant cells present in both plants and animals present in plants but not animals small in animals but large in plants organelle a organelle b organelle c which statement is most likely correct? organelle a is chloroplast, organelle b is cytoplasm, and organelle c is nucleus. organelle a is mitochondrion, organelle b is cytoplasm, and organelle c is nucleus. organelle a is cell wall, organelle b is chloroplast, and organelle c is mitochondrion. organelle a is mitochondrion, organelle b is chloroplast, and organelle c is vacuole. question 8(multiple choice worth 1 points) (04.03 mc) what will most likely happen in the absence of a nucleus? genetic information will not be transmitted by the cell. energy will not be released during cellular respiration. the cell will not store food, water, nutrients, and waste. the cell will lose its shape and structure.