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Wahrscheinlichkeit
Mathematik
Middle School Math
Algebra

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


Name _____________________________
Date ___________________
Wahrscheinlichkeit
Finde die Anzahl der Auswahlmöglichkeiten, wenn du einen Gegenstand aus jeder Kategorie auswählst.
1.  * Dies ist ein vorgefertigtes Arbeitsblatt.
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2.  8 sweaters, 2 shorts, 4 pairs of shoes


3.  13 boys, 13 girls



Finde die Wahrscheinlichkeit. Schreibe deine Antwort als Bruch in der einfachsten Form.
1.  A jar contains 12 white and 4 green marbles. A marble is drawn at random.
P(green).


2.  Du würfelst mit einem Zahlenwürfel mit den Zahlen von 1 bis 6.
P(eine zusammengesetzte Zahl).



Finde die Wahrscheinlichkeit. Schreibe deine Antwort als Dezimalzahl auf das nächstliegende Hundertstel gerundet.
1.  A jar contains 11 navy, 15 brown, and 8 orange marbles. A marble is drawn at random.
P(orange).


2.  A jar contains 15 green and 16 brown marbles. A marble is drawn at random.
P(green).



Finde die Wahrscheinlichkeit. Schreibe deine Antwort in Prozent auf das nächstliegende ganze Prozent gerundet.
1.  A jar contains 10 navy, 4 yellow, 23 orange, and 15 white marbles. A marble is drawn at random.
P(not white).


2.  A jar contains 26 brown, 26 green, and 21 white marbles. A marble is drawn at random.
P(white).



Key #2
Finde die Wahrscheinlichkeit.
1.  Du würfelst mit einem Zahlenwürfel mit den Zahlen von 1 bis 6.
P(a number divisible by 2)
Drücke die Wahrscheinlichkeit als Bruch aus.


2.  A number from 17 to 26 is drawn at random.
P(an odd number)
Drücke die Wahrscheinlichkeit in Prozent aus. Runde auf das nächstliegende Prozent.



Finde die Wahrscheinlichkeit. Nimm an, dass die Scheibe in gleich große Abschnitte aufgeteilt ist.
1.  You roll a cube which has the numbers 10, 13, 14, 16, 17, und 18 on it. You then spin a spinner which has 8 sections. The letters on the spinner are H, G, A, J, B, C, E, und D.
P(E and not a 16)


2.  Du würfelst mit einem Zahlenwürfel mit den Zahlen von 1 bis 6.
You then spin a spinner with 5 sections each with a different color. The spinner has the colors gray, blue, brown, pink, and white.
P(brown and 1)



Finde die Wahrscheinlichkeit.
1.  A deck of cards has 4 black, 5 orange, and 3 white cards. You pick 2 cards from the deck. Cards are not returned to the deck after they are picked.
P(the first card is not black und the second card is white)


2.  There are 4 orange, 6 brown, and 6 white 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 white, the second marble is orange, und the third marble is not white)



Finde die Wahrscheinlichkeit. Nimm an, dass die Scheibe in gleich große Abschnitte aufgeteilt ist.
1.  You roll a cube which has the numbers 15, 15, 18, 21, 21, und 18 on it. You then spin a spinner which has 3 sections. The letters on the spinner are E, B, und K.
P(not E and a prime number)


2.  There are 6 green, 4 navy, and 3 violet marbles in a hat. You pick 2 marbles from the hat. Marbles are not returned after they have been drawn.
P(zwei navy marbles in a row)



Key #2
Ganze.
1.  How many drei person committees can be chosen from a group of neun people?


2.  There are zwölf players on the basketball team. How many ways can a starting lineup of fünf players be chosen?



Ganze.
1.  How many permutations can you make from the letters B, N, und Q?


2.  Amanda, Justin, Isaac, und Alexandra ran in a race. In how many different orders can they finish the race?



Ganze.
1.  How many drei person committees can be chosen from a group of sechs people?


2.  There are 4 things in a hat. How many ways can you pick 1 thing from the hat at once?



Ganze.
1.  Cody does not know the answer to two questions on a multiple choice exam. The first question has four choices and the second question he does not know has six choices. What is the probability that he will get both questions wrong?

2.  There are seven black marbles, six red marbles and nine 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?


Key #2
Ganze.
1.  There is a certain book at the school library that has three hundred sixty-seven pages. If the probability that you will open the book to any page at random and find a picture is7%, how many pages in the book have pictures on them? Assume that the pictures are randomly distributed throughout the book.

2.  Sydney is rolling an unusual die that has different colors on each of its eight sides. What is the probability that she will roll either a red or a yellow on her first roll?


Ganze.
1.  Barky the clown is giving away lollipops at the circus. He has four 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 four 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 four different colors in a row each time?

2.  If there are four seats available on the bus and two people who want to sit down, how many different ways can those two people arrange themselves in the empty seats?


Ganze.
1.  The Ramirez family grew a large crop of sunflowers this year. As they were collecting the seeds and drying them, naturally they ate some to see how they tasted. In all they opened about four hundred seeds. Some of them they could not eat (about10) because there was no embryo inside. In ten cases they could not eat the seed because there was a worm inside. Assuming these results are typical for the entire crop, as they eat the seeds throughout the year, what is the probability that any particular seed chosen at random will be edible? State your answer as a percent rounded to the nearest tenth of a percent.

2.  Last night, Grace counted the number of instant messages she received. She received six from John, seven from Grace, twelve from Christian, ten from Noah, and thirty-two from her best friend (and very chatty) Danielle. She turned on her computer. What is the probability that the first instant message she receives is from Danielle?



Answer Key


Sample
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edHelper Abonnenten - Erstellen Sie einen neuen Ausdruck
Die Lösung enthält auch die Fragen
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Wahrscheinlichkeit
Mathematik
Middle School Math
Algebra

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