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Probabilità
Matematica
Algebra

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 Name _____________________________ Date ___________________
Probabilità
Scrivi la probabilità.

1.  If one letter is chosen at random from the word infinitive, what is the probability that the letter chosen is the letter "v"?
 ____ out of   10
2.  A number cube has 6 sides. The sides have the numbers 1, 5, 1, 7, 1, and 1. If the cube is thrown once, what is the probability of rolling the number 1?
 4   out of ____
3.  A number cube has 6 sides. The sides have the numbers 8, 8, 3, 3, 8, and 6. If the cube is thrown once, what is the probability of rolling an odd number?
 ____ out of   6
4.  A bag contains 4 blue marbles, 14 purple marbles, 18 green marbles, 3 yellow marbles, and 17 red marbles. What is the probability of pulling out a blue or a red marble?
 21   out of ____
5.  If one letter is chosen at random from the word rig, what is the probability that the letter chosen is the letter "r"?
 ____ out of   3
6.  A number cube has 6 sides. The sides are numbered 1 to 6. If the cube is thrown once, what is the probability of rolling the number 1 or the number 4?
 ____ out of   6
7.  A number cube has 6 sides. The sides are numbered 1 to 6. If the cube is thrown once, what is the probability of rolling the number 1 or the number 5?
 2   out of ____
8.  A bag contains 12 blue marbles, 3 green marbles, 17 red marbles, 13 yellow marbles, and 15 purple marbles. What is the probability of pulling out a blue marble?
 12   out of ____
9.  If one letter is chosen at random from the word bossy, what is the probability that the letter chosen is the letter "y"?
 1   out of ____
10.  If one letter is chosen at random from the word alfalfa, what is the probability that the letter chosen is the letter "a"?
 3   out of ____
11.  If one letter is chosen at random from the word drizzle, what is the probability that the letter chosen is the letter "z"?
 ____ out of   7
12.  If one letter is chosen at random from the word assists, what is the probability that the letter chosen is the letter "s"?
 ____ out of   7
13.  Un dado ha 6 facce. Le facce sono numerate da 1 a 6. Se il dado viene lanciato una volta, qual è la probabilità che esca un numero pari?
 3   out of ____
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Iscritti a edHelper - Crea un nuovo stampabile
La soluzione include anche le domande
La soluzione fornisce solo le risposte
Nessuna soluzione