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MathHelp.com is the smart way to conquer math. We provide the exact math help you need with online test prep courses for over 100 standardized tests; tutoring and homework help for middle/high school and college math; and a complete homeschool math curriculum. Start now for free!


Probability. How likely something is to happen.. Many events can't be predicted with total certainty. The best we can say is how likely they are to happen, using the idea of probability.. Tossing a Coin. When a coin is tossed, there are two possible outcomes:


Definition: Example: An experiment is a situation involving chance or probability that leads to results called outcomes. In the problem above, the experiment is spinning the spinner. An outcome is the result of a single trial of an experiment. The possible outcomes are landing on yellow, blue, green or red.


When you calculate probability, you’re attempting to figure out the likelihood of a specific event happening, given a certain number of attempts. Probability is the likelihood of one or more events happening divided by the number of possible outcomes.


Learn statistics and probability for free—everything you'd want to know about descriptive and inferential statistics. Full curriculum of exercises and videos. ... The Course challenge can help you understand what you need to review. Start Course challenge. Get Started. Analyzing one categorical variable. Let's learn how to create and read bar ...


Simple probability: yellow marble Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501(c)(3) nonprofit organization.


Find helpful math lessons, games, calculators, and more. Get math help in algebra, geometry, trig, calculus, or something else. Plus sports, money, and weather math ...


WebMath is designed to help you solve your math problems. Composed of forms to fill-in and then returns analysis of a problem and, when possible, provides a step-by-step solution. Covers arithmetic, algebra, geometry, calculus and statistics.


This website provides training and tools to help you solve statistics problems quickly, easily, and accurately - without having to ask anyone for help. Online Tutorials. Learn at your own pace. Free online tutorials cover statistics, probability, regression, survey sampling, and matrix algebra - all explained in plain English.