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First example of conditional probability where I explain one of the simplest exercises: An urn contains several blue and red spheres with different numbers. If we draw a sphere at random, what is the probability that it is blue? If a blue sphere was drawn, what is the probability that it is even? Complete course on Conditional Probability Bayes' Theorem: • Conditional Probability MathAlex Theorem ... _________________________________________________________________ If you want to help me so that the channel continues to grow you can: Subscribe: https://www.youtube.com/matematicaspr... Contribute to the channel with a donation: https://www.paypal.me/profeAlex Become a member of the channel: https://www.youtube.com/matematicaspr... _________________________________________________________________ Download my MathAlex app: http://onelink.to/vmcu3e Visit my website: https://www.MatematicasProfeAlex.com Follow me on my social networks: Facebook: / matematicasprofealex Instagram: / matematicasprofealex Contact Only business, press: [email protected] 0:00 Greeting 0:10 Concepts that you should know 0:40 Solution to example 1 4:50 Solution to example 2 13:38 Practice exercise 17:57 Farewell and recommended videos