QuestLab Plataforma Inteligente de Questões
Banco público de questões

Questões para Concursos

Pesquise questões reais por disciplina, assunto, tópico, banca, órgão, cargo, ano e modalidade.

Questões por banca

29 bancas disponíveis. Clique para visualizar todas.

Encontre as questões que procura
Limpar filtros
132 questões encontradas
Texto associado
In a nutshell, police officers maintain law and order, protect the general public, investigate crimes and prevent criminal activity from happening.
If you become a police officer, your career will be all about crime prevention, prosecution and punishment. Policing is such a varied career path that you could find yourself doing all kinds of activities.
You might be responsible for preventing heinous crimes and stopping dangerous criminal groups, such as organised crime syndicates. Alternatively, you might be working to diminish anti-social behaviour, or you might be taking part in counter-terrorism activities.
Moreover, you might be responsible for investigating crimes against people and their property, or maintaining public peace and order at large events, public gatherings and protests.
At all times, police officers must make sure their actions comply with current legislation. Consequently, police officers must keep up to date with the latest developments in crime detection and prevention.

Internet: (adapted).

Concerning the text above, judge the following items.

In the last sentence of the text, the phrase “keep up to date with” means to meet the deadline.

C Certo
E Errado
Texto associado
Considere que uma amostra aleatória simples de tamanho n = 10, representada como X 1 , … , X 10 , seja retirada de uma população uniformemente distribuída no intervalo [a, b], em que a e b são parâmetros desconhecidos, tais como 0 < a < b. Com respeito a essa população, a média amostral X = (X 1 + .... + X 10 ) /10 e a variância amostral S² = ∑ j = 1 1 0 ​ ∑ ​ ( X j ​ − { X } ​ ) 2 /9 , julgue os itens que se seguem.

Se μ denota a média populacional, então P = ( X = μ ) = 0 .

C Certo
E Errado