A roll of 4 on a pair of six-sided dice in the game of craps (Gardner 1978, p. 256). The probability of rolling "a little Joe" is 1/12, or 8.333...%.

A roll of "4 the hard way" (i.e., , as opposed to ) is sometimes called "Little Joe on Viagra."

A roll of 4 on a pair of six-sided dice in the game of craps (Gardner 1978, p. 256). The probability of rolling "a little Joe" is 1/12, or 8.333...%.

A roll of "4 the hard way" (i.e., , as opposed to ) is sometimes called "Little Joe on Viagra."

Weisstein, Eric W. "Little Joe." From
*MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/LittleJoe.html