
Estatística e Probabilidade para 9º Ano
Mathematics
9th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a probabilidade de se obter um número par ao lançar um dado de seis faces?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em certa loja,estão à venda camisas pólos, camisas de manga curta e de manga longa cujos preços são R$ 80,00; R$ 50,00 e R$ 60,00 respectivamente. De quantas maneiras diferentes uma pessoa pode comprar duas camisas nessa loja:
4
5
6
7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule a média simples dos seguintes números: 4, 8, 15, 16, 23, 42.
18
19.5
21.5
24
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a mediana dos números: 3, 7, 9, 15, 21?
7
9
12
15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identifique a moda na seguinte sequência de números: 5, 8, 8, 10, 12, 12, 12, 15.
8
10
12
15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma urna contém 8 fichas numeradas de 1 a 8. Retirando-se uma ficha ao acaso, a probabilidade do número ser par é de:
20%
37%
40%
50%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ao jogar um dado, qual a probabilidade de se obter um número par:
50%
40%
30%
12%
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