
Desvendando a Probabilidade e Estatística
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
TATYANE APARECIDA DE OLIVEIRA
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma urna há 5 bolas vermelhas, 3 bolas azuis e 2 bolas verdes. Qual é a probabilidade de se retirar uma bola azul?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se lançarmos um dado justo de 6 faces, qual é a probabilidade de obter um número par?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a média aritmética dos números 4, 8, 15, 16, 23 e 42?
18
19.5
21.5
22
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma pesquisa, 60% dos entrevistados preferem café a chá. Se 200 pessoas foram entrevistadas, quantas preferem café?
100
120
140
160
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a mediana dos números 3, 7, 9, 15, 21?
7
9
12
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a probabilidade de chover amanhã é de 0,3, qual é a probabilidade de não chover?
0,3
0,5
0,7
0,9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o desvio padrão de um conjunto de dados que consiste em 5, 5, 5, 5, 5?
0
1
2
5
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