Hitting a Prime in 2.43 Dice Rolls (On Average)
Hitting a Prime in 2.43 Dice Rolls (On Average)
复制标题
在 2.43 次掷骰子中击中素数(平均)
DOI:
10.1080/00031305.2023.2179664
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发表时间:
2023
期刊:
影响因子:
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通讯作者:
Malinovsky, Yaakov
中科院分区:
文献类型:
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作者:
Alon, Noga;Malinovsky, Yaakov
What is the number of rolls of fair six-sided dice until the first time the total sum of all rolls is a prime? We compute the expectation and the variance of this random variable up to an additive error of less than. This is a solution to a puzzle suggested by DasGupta in the Bulletin of the Institute of Mathematical Statistics, where the published solution is incomplete. The proof is simple, combining a basic dynamic programming algorithm with a quick Matlab computation and basic facts about the distribution of primes.
DOI:
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发表时间:
2023
期刊:
Maple Transactions
影响因子:
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作者:
L. Martinez;D. Zeilberger
通讯作者:
D. Zeilberger