样本是取自等于总体的一个随机变量,是否可证明关于xi函数的期望等于关于总体x的函数的期望。 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseBunk beds, Mountaineer, Books, Pitchfork, Food cart, Wife, Bees, Vacuum, Cuttlefish, Ear lobe, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #5271


anonymous
anonymous
sketch #4653 Kero by Indike Liyanage


anonymous
anonymous
sketch #3575 Stitch by Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #5116 Bleach by Vrushali Rane


anonymous
anonymous
sketch #4975 Orange by Marcos Roberto Molina


anonymous
anonymous
sketch #3296


anonymous
anonymous
sketch #5154


anonymous
anonymous
sketch #3499 Alien Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #4885


anonymous
anonymous
sketch #3145 Madoka by Николай Герасимов


anonymous
anonymous
sketch #1079


anonymous
anonymous
sketch #3381 DBZ by Adidtzu Ady


anonymous
anonymous
sketch #5162 Alien by KiNg Buamir


anonymous
anonymous
sketch #5125


sketchmaster
sketch #2638 Cliff cool


anonymous
anonymous
sketch #5086 Lion by Z Ionut Ady


anonymous
anonymous
sketch #1500


anonymous
anonymous
sketch #4503 Naruto Biju Mode by Jessie Lightwood


anonymous
anonymous
sketch #4176 Eye by Jawad Kallou


sketchmaster
sketch #2624 Pikachu by sketchmaster


Shuvo Islam
sketch #2770 Maggie by Shuvo Islam


Jayme Sousa
sketch #2729 Luffy by Jayme Sousa


anonymous
anonymous
sketch #1453


anonymous
anonymous
sketch #2309


sketchmaster
sketch #2618


anonymous
anonymous
sketch #5269


anonymous
anonymous
sketch #3755 Panda by Roberto Castro Colimil

tomski样本是取自等于总体的一个随机变量,是否可证明关于xi函数的期望等于关于总体x的函数的期望。 知乎 coloring