Error function found by integrating e^(x^2)

Now we’re working out the probability of randomly selecting a yellow marble from a bag of multi-colored marbles. Let’s practice together. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/precalculus/prob_comb/basic_prob_precalc/e/probability_1?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus Watch the next lesson: https://www.khanacademy.org/math/precalculus/prob_comb/addition_rule_prob_precalc/v/probability-with-playing-cards-and-venn-diagrams?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus Missed the previous lesson? https://www.khanacademy.org/math/precalculus/prob_comb/basic_prob_precalc/v/probability-1-module-examples?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus Precalculus on Khan Academy: You may think that precalculus is simply the course you take…

This video reviews how to find area between two curves and how to find volume using the washer and shell methods.

This video demonstrates how to solve inequalities whose solutions are “all real numbers” or “no solution.” This video was created for my introductory algebra class.