An even palindrome
A whole number is chosen uniformly at random from 100 to 999. What is the probability it is both a palindrome (reads the same forwards and backwards) and even? Give a decimal to four places.
Show hints (2)+
- A palindrome is - its last digit is , so parity is set by , not .
- Count even nonzero choices for , times free choices for , over 900.
Answer
Reveal answer →Final answer
0.0444 (± 0.001)
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Asked at: EV & Betting Games, Data-Driven Research