suscriptores de edHelper - Cree un imprimible nuevo
Clave también incluye las preguntas
La hoja de respuestas sólo da las respuestas
Sin clave de respuestas
Not a subscriber?  Sign up now for the subscriber materials!

Probabilidad
Matemáticas
Middle School Math
Álgebra

This worksheet still contains English.
edHelper is working on the translation


Name _____________________________
Date ___________________
Probabilidad
Encuentra el número de elecciones posibles cuando usted escoge un artículo de cada categoría.
1.  8 sizes, 6 flavors


2.  4 colors, 6 styles


3.  4 hats, 7 shirts, 2 scarves, 12 pairs of shoes, 8 socks



Encuentra la probabilidad. Escribe tu respuesta como una fracción en su mínima expresión.
1.  A jar contains 10 yellow, 4 green, 16 brown, and 4 navy marbles. A marble is drawn at random.
P(navy or green).


2.  Tiras un cubo numérico numerado del 1 al 6.
P(an even number).



Encuentra la probabilidad. Escribe tu respuesta como un decimal redondeado al más próximo centésimo.
1.  Tiras un cubo numérico numerado del 1 al 6.
P(4).


2.  Tiras un cubo numérico numerado del 1 al 6.
P(an odd number).



Encuentra la probabilidad. Escribe su respuesta como un por ciento redondeó al más cercano por ciento entero.
1.  Tiras un cubo numérico numerado del 1 al 6.
P (un número divisible por 2).


2.  A number from 9 to 16 is drawn at random.
P(a number less than 11).



Key #2
Encuentra la probabilidad.
1.  A jar contains 21 white, 12 yellow, 6 red, and 24 gray marbles. A marble is drawn at random.
P(yellow)
Exprese la probabilidad como un por ciento. Redondea al más cercano por ciento.


2.  Tiras un cubo numérico numerado del 1 al 6.
P(a number divisible by 2)
Exprese la probabilidad como un fracción.



Encuetra la probabilidad. Supone que el filón está separado en secciones iguales.
1.  Lanzas una moneda y un cubo numerado del 1 al 6.
P(4 and heads)


2.  You roll a cube which has the numbers 15, 25, 22, 22, 23, y 25 on it. You then spin a spinner which has 5 sections. The letters on the spinner are G, K, C, C, y H.
P(K and 15)



Encuentra la probabilidad.
1.  There are 3 white, 4 orange, and 4 black marbles in a hat. You pick 3 marbles from the hat. Marbles are not returned after they have been drawn.
P(the first marble is black, the second marble is not orange, y the third marble is orange)


2.  A deck of cards has 5 yellow, 5 green, and 3 black cards. You pick 2 cards from the deck. Cards are not returned to the deck after they are picked.
P(dos yellow cards in a row)



Encuetra la probabilidad. Supone que el filón está separado en secciones iguales.
1.  Tiras un cubo numérico numerado del 1 al 6.
You then spin a spinner with 8 sections each with a different color. The spinner has the colors gray, pink, white, purple, navy, green, orange, and violet.
P(not 2 and not purple)


2.  There are 6 brown, 2 gray, 3 black, and 3 navy marbles in a hat. You pick 2 marbles from the hat. Marbles are returned after they have been drawn.
P(the first marble is black y the second marble is brown)



Key #2
Completa.
1.  There are 6 things in a hat. How many ways can you pick 2 things from the hat at once?


2.  How many tres person committees can be chosen from a group of siete people?



Completa.
1.  How many permutations can you make from the letters A through G?


2.  How many permutations can you make from the letters H, V, P, M, y E?



Completa.
1.  There are 7 things in a hat. How many ways can you pick 5 things from the hat at once?


2.  How many ways can a president and vice-president be selected in a class of veintitrés students?



Completa.
1.  If the odds of winning a particular card game are 1:2, about how many times can you expect to win if you play the game six hundred times?

2.  What is the probability of choosing a heart from a standard deck of 52 randomly arranged playing cards?


Key #2
Completa.
1.  There are nine black marbles, eleven red marbles and seven white marbles in a bag. The first marble selected at random from the bag is red. The red marble is not put back in the bag. What is the probability of pulling out a red marble on the next try?

2.  Nicole rolls a die twice. What is the probability she will get a one both times?


Completa.
1.  Caleb has taken thirty-two spelling quizzes this year. Of those, he scored below 70% on five of them. What is the probability that will score 70% or above on his next spelling quiz?

2.  William and Eric go to the mall parking lot on weekends to see if they can find any loose change. People tend to lose small amounts of money in the parking lot. Over the past year they have kept track of how much money they have found. They found nineteen quarters, two fifty-cent pieces, thirty-one dimes, thirty nickels, and one hundred fifty-five pennies. What is the probability that the next coin they find will be worth more than ten cents? State your answer as a percent to the nearest percent.


Completa.
1.  There are four sticks on the table. Each stick is a different color. How many ways are there to arrange the sticks in a line so that no two arrangements have the same color sequence?

2.  Mr. Snorp is sending teams of math superstars from his school to a mathematics contest in Bigtown. He has fourteen students to choose from and the teams must consist of four people. How many ways are there for him to choose different four person teams from his fourteen candidates?



Answer Key


Sample
This is only a sample worksheet.

suscriptores de edHelper - Cree un imprimible nuevo
Clave también incluye las preguntas
La hoja de respuestas sólo da las respuestas
Sin clave de respuestas
Not a subscriber?  Sign up now for the subscriber materials!

Probabilidad
Matemáticas
Middle School Math
Álgebra

This worksheet still contains English.
edHelper is working on the translation