<https://ru.coursera.org/lecture/financial-risk-management-with-r/distribution-of-returns-OBmsT#lecture>
<http://schema.org/contentURL>
"https://d18ky98rnyall9.cloudfront.net/__xxQZ27EemnpBK2VMQaIg.processed/full/720p/index.mp4?Expires=1635206400&Signature=ZVMmgDhh-MLpnvql2-oLkMthnL6pcaGSNu3j2h7aGkVKYeAr21-4G2EvYeiP7OG0jubk06m8Tid9y~wJvdFWpAg1cQ6Kjm1NhfVGPTWbcb3QETEMh0yWbbNnl5rY8BuAsR0sNIgXBQbrZV3zJkvvgggA0PeVwXKQ-0QSgTVsaqc_&Key-Pair-Id=APKAJLTNE6QMUY6HBC5A"
<https://ru.coursera.org/lecture/financial-risk-management-with-r/distribution-of-returns-OBmsT>