
Quiz de Probabilidades e Combinatória
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
ANTONIO OLIVEIRA
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um dado é lançado uma vez. Qual é a probabilidade de sair um número par?
<katex latex="\frac{1}{3}"></katex>
<katex latex="\frac{1}{2}"></katex>
<katex latex="\frac{2}{3}"></katex>
<katex latex="\frac{1}{4}"></katex>
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma urna, há 3 bolas vermelhas e 2 bolas azuis. Se uma bola é retirada aleatoriamente, qual é a probabilidade de que a bola retirada seja azul?
<katex latex="\frac{2}{5}"></katex>
<katex latex="\frac{3}{5}"></katex>
<katex latex="\frac{1}{2}"></katex>
<katex latex="\frac{1}{5}"></katex>
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se dois eventos A e B são independentes, qual é a probabilidade de ambos ocorrerem?
<katex latex="P(A) + P(B)"></katex>
<katex latex="P(A) \cdot P(B)"></katex>
<katex latex="P(A) - P(B)"></katex>
<katex latex="P(A) / P(B)"></katex>
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma sala com 10 alunos, qual é o número de maneiras de escolher 3 alunos para formar um grupo?
120
720
90
100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a probabilidade de tirar uma carta de copas de um baralho padrão de 52 cartas?
<katex latex="\frac{1}{4}"></katex>
<katex latex="\frac{1}{13}"></katex>
<katex latex="\frac{1}{52}"></katex>
<katex latex="\frac{1}{2}"></katex>
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a probabilidade de um evento A ocorrer é de 0,3, qual é a probabilidade de A não ocorrer?
0,7
0,3
0,5
0,1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em um experimento, a probabilidade de um evento B ocorrer, dado que o evento A ocorreu, é de 0,4. Se a probabilidade de A ocorrer é de 0,5, qual é a probabilidade de ambos os eventos ocorrerem?
0,2
0,4
0,5
0,1
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