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All Combos 2 (Posted on 2024-05-10) Difficulty: 3 of 5
M is an n-digit positive integer composed of a string of random decimal digits (no leading zero) selected from a uniform distribution. For each case below, determine the value of the smallest number of digits associated with a probability of at least 0.5 that M contains:
(A) all of the digits 0 to 9
(B) all of the 2-digit combinations 00, 01, ..., 99
(C) all of the 3-digit combinations 000, 001, ..., 999

No Solution Yet Submitted by Larry    
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  Subject Author Date
Puzzle Thoughts K Sengupta2024-05-10 14:56:11
SolutionsolutionsCharlie2024-05-10 14:32:53
Some ThoughtsPart A (spoiler)Steve Herman2024-05-10 14:20:44
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