tag:blogger.com,1999:blog-15628310.post2132508971648761280..comments2024-02-11T22:40:20.959-05:00Comments on Question of the day: Random WalkAnonymoushttp://www.blogger.com/profile/18153935609499338685noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-15628310.post-80676358685521542512011-06-14T12:35:02.927-04:002011-06-14T12:35:02.927-04:000.176197052
184756 of 10485760.176197052<br />184756 of 1048576Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-15628310.post-9011955234893025922011-06-09T08:25:58.590-04:002011-06-09T08:25:58.590-04:00This is like flipping a coin 20 times. You need t...This is like flipping a coin 20 times. You need to figure out what the probability of getting 10 heads and 10 tails is (taking 10 steps to the right and 10 steps to the left. So, endothief has the right idea, but hasn't finished the problem.<br /><br />Seems counter-intuitive, doesn't it?Anonymoushttps://www.blogger.com/profile/18153935609499338685noreply@blogger.comtag:blogger.com,1999:blog-15628310.post-63257370293611716252011-06-08T07:37:48.027-04:002011-06-08T07:37:48.027-04:0050/50. He either is, or is not, back where he sta...50/50. He either is, or is not, back where he started from.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-15628310.post-43803726535066476022011-06-07T23:46:02.107-04:002011-06-07T23:46:02.107-04:00(1/2)^20 = (1^20/2^20) = 1/1048576 assuming he'...(1/2)^20 = (1^20/2^20) = 1/1048576 assuming he's not already taken one step east-west, otherwise it's (1/2)^19 = 1/524288Endothiefhttps://www.blogger.com/profile/09031952722344374864noreply@blogger.com