抛一枚硬币,直至首次出现连续两个正面停止,如何求抛掷次数的方差? 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 theseRacecar, Squirrel, Doctor, Elixir, Books, Game, Sombrero, Dessert, Lobbyists, Stapler, 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 #3558 Eye Rubel Parvez


anonymous
anonymous
sketch #3473 Finn by Luana Santos


anonymous
anonymous
sketch #5083


anonymous
anonymous
sketch #4835 L from Death Note by Adidtzu Ady


anonymous
anonymous
sketch #5167


anonymous
anonymous
sketch #1168


anonymous
anonymous
sketch #3059


anonymous
anonymous
sketch #314 Butterfly


anonymous
anonymous
sketch #4698


anonymous
anonymous
sketch #2969


anonymous
anonymous
sketch #2453 Koi Fish


anonymous
anonymous
sketch #5199 Catface by Noeli Racioppo


anonymous
anonymous
sketch #5193


Jorge Valero
sketch #2664


anonymous
anonymous
sketch #654


anonymous
anonymous
sketch #933 mts


anonymous
anonymous
sketch #5166 Jigsaw by Gisele Siqueira Zanni


anonymous
anonymous
sketch #5187


anonymous
anonymous
sketch #5219 Zayn Malik by Amila Madhushanaka


anonymous
anonymous
sketch #3643


anonymous
anonymous
sketch #5088


anonymous
anonymous
sketch #5181


anonymous
anonymous
sketch #4264 oh yeah


Gabriela Segura
sketch #2740 Monster by Gabriela Segura


anonymous
anonymous
sketch #4901 Adventure Time by Louisette Alain


sketchmaster
sketch #2608 Beauty and the Beast by sketchmaster

tomski抛一枚硬币,直至首次出现连续两个正面停止,如何求抛掷次数的方差? 知乎 coloring