This Expected Value calculator calculates the expected value, or the mean in by the probability of that value occurring, we will have calculated the expected. 0. Expected Value Calculator was last modified: April 22nd, by Andale 2. if x has a normal distribution with a mean 3 and standard deviation 9, calculate. This online calculator will help you understand how to find expected value of discrete random variable. How much would you bet if you could always win? They are 1, 2, 3, 4, 5 and 6. You toss a fair coin three times. Click an empty cell. Home Articles Projects Programming Calculators Contact. Using the classroom example, write down the weight of each student. Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find expected value of discrete random variable. A 6-sided die is rolled once, and your cash winnings depend on the number rolled. Article suggestion Got an idea for an article? If an event is represented by a function of a random variable g x then that function is substituted into the EV for a continuous random variable formula to get: We'll call this number "n. Betting Strategy Mar 6, You would need to be provided with some additional information before you could calculate the probabilities in these examples. The probability can be entered in either in percent form or in decimal form. To find the expected value of a discrete random distribution to select the number of discrete random variables n and then input their values x i and probability p i. Check out the Practically Cheating Statistics Handbook , which has hundreds more step-by-step explanations, just like this one! Community Dashboard Random Article About Us Categories Recent Changes. Add together all the products.