Zor Shekhtman's Videos (The Future of Education) - The Future of Education 2019-12-06T21:24:13Z https://www.futureofeducation.com/video/video/listForContributor?screenName=06jfofxe3ohbo&rss=yes&xn_auth=no Unizor - Probability - Random Variables - Introduction tag:www.futureofeducation.com,2014-10-01:2689803:Video:142247 2014-10-01T19:21:46.980Z Zor Shekhtman https://www.futureofeducation.com/profile/ZorShekhtman <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-introduction"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944173600?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Historically, the theory of probabilities was developed from attempts to study the games and analyze the chances of winning. The concept of random variables ... <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-introduction"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944173600?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Historically, the theory of probabilities was developed from attempts to study the games and analyze the chances of winning. The concept of random variables ... Unizor - Probability - Random Variables - Expected Values tag:www.futureofeducation.com,2014-10-01:2689803:Video:142086 2014-10-01T19:21:05.134Z Zor Shekhtman https://www.futureofeducation.com/profile/ZorShekhtman <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-expected-values"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944174309?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Assume our random experiment (like spinning the roulette wheel and a ball on it) results in the following K elementary events (like ball stops in a partition... <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-expected-values"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944174309?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Assume our random experiment (like spinning the roulette wheel and a ball on it) results in the following K elementary events (like ball stops in a partition... Unizor - Probability - Random Variables - Expectation Examples tag:www.futureofeducation.com,2014-10-01:2689803:Video:142244 2014-10-01T19:20:21.915Z Zor Shekhtman https://www.futureofeducation.com/profile/ZorShekhtman <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-expectation-examples"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944173658?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Example 1 What is the expected value of a random variable ξ that equals to a sum of two numbers obtained by rolling two dice? We have 36 combinations of numb... <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-expectation-examples"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944173658?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Example 1 What is the expected value of a random variable ξ that equals to a sum of two numbers obtained by rolling two dice? We have 36 combinations of numb... Unizor - Probability - Random Variables - Expectation Sum tag:www.futureofeducation.com,2014-10-01:2689803:Video:142241 2014-10-01T19:19:21.147Z Zor Shekhtman https://www.futureofeducation.com/profile/ZorShekhtman <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-expectation-sum"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944173916?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Our goal in this lecture is to prove that expectation of a sum of two random variables equals to a sum their expectations. Consider the following two random ... <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-expectation-sum"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944173916?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Our goal in this lecture is to prove that expectation of a sum of two random variables equals to a sum their expectations. Consider the following two random ... Unizor - Probability - Random Variables - Variance tag:www.futureofeducation.com,2014-10-01:2689803:Video:142238 2014-10-01T19:17:56.411Z Zor Shekhtman https://www.futureofeducation.com/profile/ZorShekhtman <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-variance"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944174215?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Random variables take many different values with different probabilities. Full description of these discreet random variables includes enumeration of all its... <a href="https://www.futureofeducation.com/video/unizor-probability-random-variables-variance"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1944174215?profile=original&amp;width=240&amp;height=180" width="240" height="180" alt="Thumbnail" /><br /> </a><br />Random variables take many different values with different probabilities. Full description of these discreet random variables includes enumeration of all its...