Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Apply arithmetic mean of frequency distribution to find the expected value of a random variable The expected value of discrete random variable as summation of product of discrete random variable by ...

In response to customer feedback, to add additional features and outputs and to provide a more user-friendly experience, ABB ...

The Energy Savings Calculator is an online tool that allows users to compare the electrical energy usage, costs and CO 2 production of a motor currently in operation with that of a new, highly ...

Abstract: Consider a system comprising sensors that communicate with a remote estimator by way of a so-called collision channel. Each sensor observes a discrete random variable and must decide whether ...

Roll a die and ask students to identify the random variable. Since a die can only take on values of 1, 2, 3, 4, 5, or 6, this is a discrete random variable. Repeat ...

A discrete random variable is a type of random variable that can only take on a countable number of distinct values. A discrete random variable is a variable whose possible values are distinct and ...

Mortgage payments are some of the most significant financial responsibilities a person will ever take on in their lifetime, and many will want these to be as low as possible. In a similar sense, many ...