14
Part of 2015 ASDAN Math Tournament
Problems(2)
2015 Guts #14
Source:
7/28/2022
A standard deck of cards is shuffled and randomly arranged in a queue, with each card having a suit and a rank . For example, a card with the suit and the rank would be denoted as , and a card with the and the rank would be denoted as . In the queue, there exists a card with a rank of that appears for the first time in the queue. Let the card immediately following the above card be denoted as card . Is the probability that is a higher than, equal to, or lower than the probability that is a ?
2015Guts Test
2015 Team #14
Source:
8/3/2022
For a given positive integer , the series
evaluates to , where and are positive integers. Compute .
2015team test