Easy Mathematic

Mean of the random variable x calculator

The formula for Mean or Expected Value of a probability distribution is as follows: μ = Σx * P (x) Where, x = Data value P (x) = Probability of value The following are the simple steps to find the

Determine mathematic tasks
Problem
What users say
Saved me from failing exams, i love that there is a step by step for each problem. USERS: TURN ON THE LIGHT It's true, the camera was frustrating until I turned on the light (icon), i'm very pleased with the app and I'm convinced that I'll upgrade to the premium version.
Brandon Jones

Standard deviation calculator (σ)

A Random Variable is a variable whose possible values are numerical outcomes of a random experiment. The Mean (Expected Value) is: μ = Σxp. The Variance is: Var (X) = Σx2p − μ2. The

Solve math problem

math is the study of numbers, shapes, and patterns. It is used in everyday life, from counting to measuring to more complex calculations.

Clarify math questions

To ensure you are clarifying the math question correctly, re-read the question and make sure you understand what is being asked. If you are still unsure, ask a friend or teacher for help.

Get Support

If you need support, there are many people and organizations who can help.

Determine math problem

Expected Value Calculator

This online calculator calculates the mean, variance, and standard deviation of random variables entered in the form of a value-probability table. This calculator can help you to calculate basic
Graphing piecewise functions worksheet with answers pdf 15 calculator Kg to moles calculator G(x) calculator Point estimate standard deviation calculator Proportional relationship table calculator