Since posted, the Reddit thread has is filled with people speculating what the answer might be.
"This is a binomial probability density function with an error. The term after the sigma is not a fraction but a combination ... To find the answer for the question, you need the value of N, the number of coin flips," wrote one user.
"I don't know if this is a trick question or not, but to me that says the password is some variation of 'One', '1' 'One Hundred Percent' or '100%'," wrote another.
Despite the speculation, comments from Joshua_Glock reveal the password is yet to be cracked.
"No one has solved it since they've posted it. Supposedly it is a legit equation or whatever they're called," he wrote.
In a last-ditch effort he spoke with the owners of the restaurant, but they would not play ball.
"I've tried [asking them]. They shake their finger at me while making a clicking sound. It's very humbling," he wrote.
"I'm going to have my wife make them some cupcakes. Hopefully this will entice them to give up the PW."
