[Note] How to Style code in WordPress?

In WordPress, the edition of posts supports <code> tag. We can add <code> block by clicking Add block button.

 

Then, the default <code > style in WordPress looks like the following:

<!DOCTYPE html>
<html>
<head>
    <title>TITLE</title>
</head>
<body>
    <p>Test</p>
</body>
</html>

To add .class in Additional CSS can style the code block. We can click Appearance > Customize to arrive Additional CSS.

              

Read more[Note] How to Style code in WordPress?

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Expected Value

Introduction The expected value E(X) is the arithmetic mean of a random variable X. Definition 1. Let X be a discrete random variable and the range is  , then 2. Let X be a continuous random variable and the range is  , then (Visited 11 times, 1 visits today)

σ-algebra

Definition σ-algebra or Borel field is a collection of subsets of a sample space S, and it must satisfy the following three properties: The empty set is an element of σ-algebra. σ-algebra is closed under complementation. σ-algebra is closed under countable unions. (Visited 4 times, 1 visits today)