Get a random yes or no answer with animated reveal and optional probability weighting.
This is a coin flip without the coin: hold a yes-or-no question in mind, click, and the tool answers behind an animated reveal. An optional weighting control tilts each run's odds - set 75% and every run favors yes three to one, handy for surveys, games, or teaching probability. The thing people most often get wrong is expecting fairness to self-correct: the generator has no memory, so a long streak of one answer does not make the other more likely next. The whole thing runs in your browser, and your question never leaves the page.
A concrete input and expected output from the current implementation.
Input
Should I reorder the Thai takeout? (weighting set to 75% yes)
Expected output
Yes or No, decided per run: 75% of runs return yes and 25% no. A single run is unpredictable; over 100 runs you should see about 75 yes answers.
Each run is an independent draw from the selected distribution, so the tool's guarantee is the odds, not any single result: 0.75 * 100 = 75 is the expected count, not a promise.
Each click performs one independent random draw against the currently selected odds. At the default 50/50, yes and no are equally likely; move the weighting toward, say, 80 and each run gives yes with 80% probability. Independence means no run influences the next: a streak of five yeses does not raise the odds of no. The distribution is the only guarantee; any short sequence of results is possible.
The animated reveal is choreography, not logic: the answer is decided at the moment you click, and the flip only delays showing it. Use that beat to fix the question in your mind, since seeing the answer first makes you retroactively 'know' you wanted it. The weighting control sets per-run odds; nothing about previous runs is carried over, so the tool never tries to balance the books.
No. The weighting sets the probability of each individual run, and every run is independent, so the tool cannot guarantee counts. With ten runs you might well see four or five yeses. The guarantee is only statistical: over hundreds of runs, the fraction of yes answers approaches the weighting.
Probably not. At 50/50, any particular five-answer sequence has a 1-in-32 chance, so streaks are routine. Independence means the next run is still 50/50. Five noes is the expected noise of a fair generator, not evidence of bias; run it a hundred times and count.
The example and behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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