{
 "name": "Probability Distribution Lab",
 "tagline": "Understand probability distributions from the first equation",
 "description": "Understand probability distributions from the first equation.\n\nProbability Distribution Lab helps you study derivations, transformations, and proofs of the mean and variance one line at a time, inside the app. No equation entry is required: tap to reveal the next step and its explanation, then record your understanding.\n\nFOLLOW THE REASONING\nStart with the initial equation and reveal each transformation in sequence. Mark difficult steps for review. Set familiar transformations to be skipped next time, and reveal skipped sections again when needed.\n\nDERIVE THE MEAN AND VARIANCE\nStudy the reasoning behind the formulas, not only the final result. After a lesson, assess whether you can derive it without an explanation or understand it with a hint.\n\nCONNECT FORMULAS TO SHAPES AND USES\nExplore each distribution's graph, parameters, and concrete examples. Use the relationship map to study sums, limits, and transformations together with their conditions.\n\nREVISIT THE MATHEMATICS YOU NEED\nRefer to prerequisite concepts while studying a derivation. Save difficult steps and self-assessed understanding to organize your next review. Progress indicators reflect your own assessment; they do not guarantee exam results.\n\nFREE EDITION AND FULL ACCESS\nThe free edition includes four distributions: Bernoulli, Binomial, Poisson, and Normal. Banner ads are shown in the free edition.\nFull Access is a one-time in-app purchase that unlocks all 15 distributions and their related derivations and proofs, and removes banner ads. There is no subscription. Restore purchases is available.\n\nAvailable in Japanese and English. No app account or login is required.",
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 "category": "Education",
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 ],
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