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He stole my ball! (Posted on 2019-04-24) Difficulty: 3 of 5
Six balls are at the front of the classroom, and six students are each assigned a different colored ball.

Then they are asked to go up one at a time and take the ball they were assigned.

However, the first student doesn't like the color he was assigned, so he picks randomly from the remaining five.

After that, each successive student takes the color they were assigned if it's available, otherwise they choose randomly from the remaining balls.

What is the probability that the last student gets the ball they were assigned?

No Solution Yet Submitted by Danish Ahmed Khan    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: It seems natural to..Steven Lord2019-05-01 15:52:18
It seems natural to..FrankM2019-05-01 05:11:48
re(2): related problemSteven Lord2019-04-26 04:01:37
re(2): computer assissted solutionCharlie2019-04-25 15:30:08
re: computer assissted solutionSteven Lord2019-04-25 15:07:24
re: related problemCharlie2019-04-25 14:26:53
Some Thoughtsrelated problemSteven Lord2019-04-25 03:34:19
Solutioncomputer assissted solutionCharlie2019-04-24 16:44:02
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