https://www.vox.com/videos/2017/6/5/15740632/luck-skill-sports https://www.vox.com/videos/2017/6/5/15740632/luck-skill-spor... Why it’s so much harder to predi

https://www.vox.com/videos/2017/6/5/15740632/luck-skill-sports https://www.vox.com/videos/2017/6/5/15740632/luck-skill-spor... Why it’s so much harder to predict winners in hockey than basketball