There's a good chance it is. In Pulp Fiction, the movie is filled with various criminal elements. The way the statement is worded makes it seem like it's from a scene where there's a robbery about to go down. It could be from a scene early on to set the tone of the movie's underworld feel. Or it could be in the middle of the movie to add to the chaos and unpredictability. But it's also possible it's a more general reference to the overall theme of crime and robbery in the movie rather than a specific scene.
Well, in the movie Pulp Fiction, the line 'Everybody cool this is a robbery' might be a way for a character to assert control. It shows that the person is trying to intimidate others into compliance. It also sets a certain mood, a kind of edgy, nerve - wracking mood that is characteristic of many scenes in the movie. It could be part of a sequence where the plot takes a sudden and violent turn.
Well, it's a classic line that sets the tense and somewhat comical tone of the robbery scene. It's a way for the robber to try and control the situation immediately, showing his attempt at being in charge while also adding a bit of dark humor to the moment.
This line contributes to the overall atmosphere in that it brings in an element of unpredictability. We don't know how the people being robbed will respond. Will they be cool as asked? Or will they fight back? This uncertainty, along with the bluntness of the statement, helps create the gritty and engaging atmosphere that 'Pulp Fiction' is famous for.
I'm not sure there is a specific 'Yolanda Be Cool' character in 'Pulp Fiction'. It might be a misnomer or a very minor reference that I'm not aware of.