
Distribuições Discretas de Probabilidade
Quiz
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Other
•
University
•
Practice Problem
•
Easy
Gustavo Medeiros
Used 1+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o tipo de variável para o número de dependentes indicado na declaração de imposto de renda?
Discreta
Contínua
Nominal
Ordinal
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o tipo de variável para a distância de casa até a loja?
Contínua
Discreta
Nominal
Ordinal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de E(X) na Função de Probabilidade?
2.5
2.8
3.0
3.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de P(X) para X = 4?
0.15
0.20
0.30
0.35
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de E(X^2) para X = 2?
0.15
0.20
0.30
0.60
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se o atirador tentar 25 vezes com uma probabilidade de 80%, qual seria o valor esperado?
18
20
22
25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na fórmula E(X) = n.p, o que "n" representa?
Probabilidade
Número de tentativas
Valor esperado
Taxa de sucesso
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