When I say "cricket," what's the first thing that comes to your mind? Chirping, right? Whether you find chirping musical or annoying, cricket chirps aren't intended for us at all, but are the ...

The answer is 4. The chirp is started by a single cricket. Each other cricket either hears the chirp and emits their own (80% chance) or doesn't hear the chirp (20% chance). For an individual ...

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