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Luck beats theory (Posted on 2020-05-04) Difficulty: 3 of 5
A group of 15 youngsters received 5 tickets to a rock happening.
The lucky recipients were determined by a random drawing of names
(no replacement) from a closed bag.
Although there were only 6 girls in the group they jointly received more tickets than the boys.

a. What is the a priori probability of such partition?
b. What would be the result if the drawing was performed with replacements?
c. Define the meaning of the difference b-a.

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
No SubjectHappy Space2020-05-11 02:19:41
re: a. and b.BrendonTrablenko2020-05-06 14:08:13
Solutiona. and b.Charlie2020-05-04 22:54:55
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