
2A 2° TRI
Authored by EDMAR MORADOR
Mathematics
2nd Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Em um saco havia 15 bolas idênticas numeradas de 1 a 15. Uma bola foi retirada aleatoriamente. Qual é a probabilidade da bola retirada estar marcada com um número maior que 9?
1/15
6/15
7/15
8/15
9/15
2.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Um fazendeiro tem 3 vacas pretas e 5 vacas brancas, e somente uma dessas tem bezerrinho. Qual é a probabilidade de a vaca com bezerrinho ser da cor preta?
5/8
3/8
3/5
8/3
5/3
3.
MULTIPLE CHOICE QUESTION
10 mins • 3 pts
No lançamento, em simultâneo, de 2 dados não viciados e numerados de 1 a 6, quantos são os casos possíveis?
12
6
26
36
4.
MULTIPLE CHOICE QUESTION
10 mins • 2 pts
Ao jogar um dado, qual a probabilidade de obtermos um número ímpar voltado para cima?
16,7%
33%
50%
67%
5.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Sorteando-se um número de 1 a 20, qual a probabilidade de que esse número seja múltiplo de 2?
2%
12%
15%
20%
50%
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
A probabilidade de sair preto é:
4/10
2/10
5/10
6/10
7.
MULTIPLE CHOICE QUESTION
15 mins • 3 pts
Qual a probabilidade de tirarmos um número maior que 4 em um lançamento de um dado?
1/2
1/3
3/6
0
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