
Probabilidades
Authored by Mariana Patricio
Mathematics
9th Grade
Used 37+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Se lançarmos um dado, qual a probabilidade de obtermos um número maior que 4?
2/3
1/4
1/3
3/2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Se lançarmos uma moeda, qual a probabilidade do lado "cara" ficar voltado para cima?
1/2
1/4
0
1/3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Escolheu-se ao acaso um lápis de cor duma caixa com 12 lápis coloridos, qual a probabilidade de sair um lápis verde?
11/12
5/12
2/12
7/12
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ao jogar um dado, qual a probabilidade de obtermos um número ímpar voltado para cima?
0,34
0,4
50%
80%
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Um saco contém 8 gomas, mas com cores diferentes: três gomas azuis, quatro vermelhas e uma amarela. Retira-se ao acaso uma goma. Qual a probabilidade da goma retirada ser azul?
0,44
0,56
40%
37,5%
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Considera a experiência que consiste em rodar uma roleta de 1 a 6 e registar o número inscrito no setor para o qual a seta aponta. Qual destas respostas corresponde a um acontecimento elementar?
2
6
1
3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual a probabilidade de tirar um ás ao retirar ao acaso uma carta de um baralho com 52 cartas, que possui quatro naipes (copas, paus, ouros e espadas) sendo 1 ás em cada naipe?
8%
7,7%
20%
80%
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