membres edHelper - Créez une nouvelle fiche imprimable.
Corrigé et questions
Corrigé sans questions
Pas de corrigé
Not a subscriber?  Sign up now for the subscriber materials!

La probabilité
Mathématiques
Middle School Math
L'algèbre

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


Name _____________________________
Date ___________________
La probabilité
Trouve le nombre de choix possibles quand tu choisis un objet dans chaque catégorie.
1.  4 desserts, 3 drinks, 4 vegetables


2.  * Cette fiche est prête à l'emploi.
Utilisez le lien en haut de la page pour une une page imprimable.



3.  13 boys, 12 girls



Trouve la probabilité. Ecris ta réponse en fraction irréductible.
1.  A jar contains 6 red and 14 green marbles. A marble is drawn at random.
P(not green).


2.  A jar contains 26 red and 15 orange marbles. A marble is drawn at random.
P(red).



Trouve la probabilité. Ecris ta réponse en nombre décimal arrondis àla centaine la plus proche.
1.  Tu fais rouler un dès numéroté de 1 à 6.
P(6).


2.  A jar contains 11 gray and 16 black marbles. A marble is drawn at random.
P(not gray).



Trouve la probabilité. Ecris ta réponse en pourcentage arrondis au pourcentage le plus proche.
1.  A jar contains 8 purple, 11 violet, 14 green, and 23 blue marbles. A marble is drawn at random.
P(green).


2.  A jar contains 22 red, 12 blue, 10 black, and 12 yellow marbles. A marble is drawn at random.
P(not black).



Key #2
Trouve la probabilité.
1.  A jar contains 11 orange and 13 pink marbles. A marble is drawn at random.
P(orange)
Exprime la probabilité en nombre décimal. Arrondis à la centaine la plus proche.


2.  Tu fais rouler un dès numéroté de 1 à 6.
P(an even number)
Exprime la probabilité en fraction.



Trouve la probabilité. Suppose que la girouette est séparée en parties égales.
1.  Tu fais rouler un dès numéroté de 1 à 6.
You then spin a spinner with 6 sections each with a different color. The spinner has the colors green, pink, orange, red, purple, and violet.
P(not green and a prime number)


2.  Tire une pièce à pile ou face et fais rouler un dé numéroté 1-6.
P(4 and heads)



Trouve la probabilité.
1.  There are 4 yellow, 2 pink, 3 brown, 2 violet, and 3 purple marbles in a hat. You pick 2 marbles from the hat. Marbles are not returned after they have been drawn.
P(the first marble is yellow et the second marble is purple)


2.  There are 3 green, 4 white, and 4 navy marbles in a hat. You pick 3 marbles from the hat. Marbles are not returned after they have been drawn.
P(trois navy marbles in a row)



Trouve la probabilité. Suppose que la girouette est séparée en parties égales.
1.  You roll a cube which has the numbers 4, 7, 10, 11, 12, et 13 on it. You then spin a spinner which has 4 sections. The letters on the spinner are B, J, E, et A.
P(E and 7)


2.  Tu fais rouler un dès numéroté de 1 à 6.
You then spin a spinner with 5 sections each with a different color. The spinner has the colors green, purple, white, yellow, and violet.
P(yellow and not 4)



Key #2
Complète.
1.  How many quatre person committees can be chosen from a group of huit people?


2.  How many quatre person committees can be chosen from a group of six people?



Complète.
1.  How many ways can a president and vice-president be selected in a class of vingt et un students?


2.  How many permutations can you make from the letters A through F?



Complète.
1.  In how many ways can Anthony, Dylan, Sydney, Julia, Natalie, et Nicole stand in line?


2.  There are 8 things in a hat. How many ways can you pick 4 things from the hat at once?



Complète.
1.  A circle is randomly painted with small splotches of three different colors.One-fifthof the circle is red,la moitiéof the circle is blue and the rest is green. What is the probability that a randomly thrown dart (thrown by a blindfolded person who has never seen the board), that hits the board, will land on a green area?

2.  Jasmine bought a bag containing assorted hard candies from the local corner store. They were on clearance and she got a good deal. All the candies are the same size and shape but they are different colors and flavors. There are eight blue ones, eleven red ones, nine purple ones, fifteen green ones, and five orange ones. If the bag is shaken really well to mix the candy in the bag, what is the probability that the first candy she pulls out of the bag will not be green?


Key #2
Complète.
1.  Barky the clown is giving away lollipops at the circus. He has five different kinds of lollipops. Now Barky is a mathematically inclined clown, (very rare in the circus world) and he likes to give them away in order such that for every sequence of five lollipops he gives away he repeats the sequence as few times as possible. How many different sequences are there for Barky to give out his lollipops assuming he always gives them away in sequences of five different colors in a row each time?

2.  In your new ant collection (containing no endangered species of course) you have five ants. In deciding a way to arrange them on the display card, you wonder how many different ways there are to arrange five different ants all in a row. How many are there?


Complète.
1.  There are eight black marbles, five red marbles and four 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.  Matthew does not know the answer to two questions on a multiple choice exam. The first question has three choices and the second question he does not know has six choices. What is the probability that he will get both questions wrong?


Complète.
1.  Jonathan has taken twenty-eight 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.  Stephanie has taken thirty-three math quizzes this year. Of those, she scored above 90% on three of them and 80% or above on fourteen of them. What is the probability that she will score from 80% to 90% on her next math quiz?



Answer Key


Sample
This is only a sample worksheet.

membres edHelper - Créez une nouvelle fiche imprimable.
Corrigé et questions
Corrigé sans questions
Pas de corrigé
Not a subscriber?  Sign up now for the subscriber materials!

La probabilité
Mathématiques
Middle School Math
L'algèbre

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