
Revisão - Probabilidade
Mathematics
11th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Em uma sala de aula, há 14 meninas e 11 meninos. O professor de Matemática vai escolher um aluno para resolver um exercício na lousa.
Qual a probabilidade de ser chamado um menino?
11%
14%
44%
56%
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Um casal deseja ter dois bebês. Qual a probabilidade de que o primeiro seja menino e a segunda seja menina?
12,5%
25%
50%
75%
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a probabilidade de ganhar uma bicicleta numa rifa de 500 números, tendo comprado apenas 1 bilhete?
0,02%
0,2%
2%
20%
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uma mulher tem duas filhas e está grávida novamente. Qual a probabilidade de nascer outra menina?
12,5%
25%
50%
75%
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Numa sala com 40 alunos, a professora sorteou uma caixa de chocolates na Páscoa. Qual a porcentagem de chance que cada aluno teve de ganhar?
0,25%
2,5%
12,5%
25%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calcule a probabilidade de “chutar” uma das 5 alternativas de uma questão de múltipla escolha e acertar.
10%
20%
25%
12,5%
37,5%
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ao jogar uma moeda duas vezes, qual a probabilidade de sair cara primeiro e coroa depois?
2,5%
12,5%
25%
50%
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