Untitled Quiz
Quiz
•
History
•
12th Grade
•
Practice Problem
•
Hard
Everson Sales
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1- Uma bola será retirada de uma sacola contendo 5 bolas verdes e 7 amarelas. Qual a probabilidade desta bola ser verde?
a) 7/12
b) 1/6
c) 5/12
d) 1/12
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2- Os bilhetes de uma rifa são numerados de 1 à 100. A probabilidade do bilhete sorteado ser um número maior que 40 ou número par é:
a) 60%
b) 70%
c) 80%
d) 90%
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
3- Um cartão é retirado aleatoriamente de um conjunto de 50 cartões numerados de 1 a 50. Determinie a probabilidade do cartão retirado ser de um número primo:
a) 1/3
b) 1/5
c) 2/5
d) 3/10
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4- Jogamos dois dados comuns. Qual a probabilidade de que o total de pontos seja igual a 10?
a) 1/12
b) 1/11
c) 1/10
d) 2/23
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
5- Em uma caixa há 2 fichas amarelas, 5 fichas azuis e 7 fichas verdes. Se retirarmos uma única ficha, qual a probabilidade dela ser verde ou amarela?
a) 1/14
b) 9/14
c) 1/3
d) 2/5
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
6- No lançamento de dois dados, em forma de octaedro, com faces enumeradas de 1 até 8, determine a probabilidade da soma dos dados ser um múltiplo de 7?
a) 9/14
b) 1/8
c) 1/32
d) 9/64
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
7- Considere dois eventos independentes A e B. Sabe-se que a probabilidade de ocorrência do evento A é de 20% e a probabilidade de ocorrência do evento B é de 30 %. QUal será a probabilidade de ambos os eventos ocorrerem?
a) 6%
b) 8%
c) 12%
d) 60%
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