What Does The Vertical Bar Mean In Probability?

What is the vertical line symbol called?

The vertical line, also called the vertical slash or upright slash ( | ), is used in mathematical notation in place of the expression “such that” or “it is true that.” This symbol is commonly encountered in statements involving logic and sets.

Also see Mathematical Symbols..

How do vertical lines make you feel?

Vertical lines are strong and rigid. They can suggest stability, especially when thicker. Vertical lines accentuate height and convey a lack of movement, which is usually seen as horizontal. They stretch from the earth to the heavens and are often connected with religious feelings.

What does a vertical line mean?

A vertical line is one the goes straight up and down, parallel to the y-axis of the coordinate plane. All points on the line will have the same x-coordinate. … A vertical line has no slope. Or put another way, for a vertical line the slope is undefined.

What does the line mean in probability?

= P(A) • P(B|A) or P(B)*P(A|B) Note: this straight line symbol, |, does not mean divide! This symbols means “conditional” or “given”. For instance P(A|B) means the probability that event A occurs given event B has occurred.

What are 5 types of lines?

There are 5 main types of lines in art: vertical lines, horizontal lines, diagonal lines, zigzag lines, and curved lines. Other types of lines are simply variations of the five main ones.

What is the vertical bar used for?

(computing) A symbol which, in Unix, is used as a pipe. (computing) A symbol which, in regular expressions, indicates an alternation. The vertical bar character (|), located over the backslash (\) key, is used as an OR operator.

How do you use the vertical line test to identify a function?

To use the vertical line test, take a ruler or other straight edge and draw a line parallel to the y-axis for any chosen value of x. If the vertical line you drew intersects the graph more than once for any value of x then the graph is not the graph of a function.

Is a vertical line a linear relationship?

A function is a relation with the property that each input is related to exactly one output. … The graph of a linear function is a straight line, but a vertical line is not the graph of a function. All linear functions are written as equations and are characterized by their slope and y -intercept.

Is horizontal line a function?

Horizontal lines are, in fact, functions. … It is not a function. A function must only have one y value for each x value. A horizontal line has the same y value for every x value – it is a constant NOT a function.

What is the meaning of horizontal and vertical?

A vertical line is any line parallel to the vertical direction. A horizontal line is any line normal to a vertical line. Horizontal lines do not cross each other. Vertical lines do not cross each other.

How is horizontal line drawn?

The horizontal line is drawn by connecting similar swing lows in price to create a horizontal support line. … The horizontal line is then used for analytical or trading purposes. For example, if the price of an asset is moving between support and resistance horizontal lines then the price is considered to be range-bound.

How do you insert a vertical line?

Use a Bar Tab to Add a Vertical LineSelect the paragraph where you want to add the vertical line.Go to Ribbon > Home. … Click the Tabs button at the bottom of the dialog.In the Tab stop position box, enter the position where you want the vertical line to appear. … Click the Bar button in the Alignment section.

Is a vertical line a function?

For a relation to be a function, use the Vertical Line Test: Draw a vertical line anywhere on the graph, and if it never hits the graph more than once, it is a function. If your vertical line hits twice or more, it’s not a function.

How do I type a vertical line symbol?

“|”, How can I type it?Shift-\ (“backslash”).German keyboard it is on the left together with < and > and the Alt Gr modifier key must be pressed to get the pipe.Note that depending on the font used, this vertical bar can be displayed as a consecutive line or by a line with a small gap in the middle.More items…

How do you type a vertical line?

You can type a straight vertical line, or “|,” on most modern keyboards dating back to some of the 1980s IBM PCs. It’s generally found above the backslash, so you can type a “|” by holding down the shift key and hitting the “” key.

What is the difference between the equations of a vertical and horizontal line?

Horizontal lines go left and right and are in the form of y = b, where b represents the y-intercept, while vertical lines go up and down and are in the form of x = a where a represents the shared x-coordinate of all points.

Is vertical up and down?

Vertical describes something that rises straight up from a horizontal line or plane. … The terms vertical and horizontal often describe directions: a vertical line goes up and down, and a horizontal line goes across. You can remember which direction is vertical by the letter, “v,” which points down.

What do vertical lines in equations mean?

Every number on the number line also has an absolute value, which simply means how far that number is from zero. The symbol for absolute value is two vertical lines. Since opposites are the same distance from the origin, they have the same absolute value.