
Variáveis Aleatórias
Authored by José Maltaca
Mathematics
University
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19 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
A respeito da definição de variáveis aleatórias, assinale a(s) alternativa(s) correta(s):
Variáveis aleatórias expressam resultados sempre determinísticos.
A variável aleatória X tem seus elementos realizados denotados por x.
Variáveis aleatórias são uma descrição numérica do resultado de um experimento aleatório.
Os valores realizados podem ser representados por Y.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Para a variável aleatória Y, denotada pelo número de resultados cara (C) no lançamento de duas moedas honestas, quais realizações y esta variável pode apresentar?
0
1
2
0.5
Qualquer valor positivo no conjunto
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A variável aleatória com espaço amostral é:
Discreta
Contínua
Mista
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A variável aleatória com espaço amostral é:
Discreta
Contínua
Mista
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A variável aleatória com espaço amostral é:
Discreta
Contínua
Mista
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A variável aleatória com espaço amostral é:
Discreta
Contínua
Mista
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A variável aleatória com espaço amostral é:
Discreta
Contínua
Mista
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