Vector Mountain vs Probability Distribution Lab

Master Algebra 1 one step at a time with a complete, Common Core-aligned course built to be seen, heard, practiced, and questioned. Vector Mountain guides learners from algebra foundations and equations through functions, systems, exponents, radicals, polynomials, factoring, quadratics, and statistics. Built for independent learners and homeschool families, the course includes 16 chapters, 103 lessons, and more than 400 focused videos. COMMON CORE-ALIGNED FROM START TO FINISH The curriculum is aligned to the Common Core State Standards for high school algebra, so lessons, practice, review, quizzes, and tests work together to build a complete Algebra 1 foundation. WHY VECTOR MOUNTAIN FEELS DIFFERENT • See and hear each idea. Short visual lessons, spoken walkthroughs, and read-aloud questions make the math easier to follow. • Show your work your way. Write directly on screen, photograph or upload paper work, or enter a final answer with the math keypad. • Get feedback on the work you actually did. Vector Mountain checks your submitted work and final answer together, so feedback can address the steps—not just the result. • Ask Vector when you get stuck. Speak naturally or type a question to get a contextual hint, explanation, or next step with spoken help and math on screen. • Explore graphs up close. Open graphs, zoom in, and focus on the details that matter. • Learn from every solution. Review worked reasoning step by step and listen as explanations are read aloud. • Keep the whole climb in view. Track progress across lessons, questions, and chapters. A CONSISTENT PATH THROUGH ALGEBRA 1 Each lesson moves through Learn, Warm-up, Core Practice, optional Challenge, and SAT Practice. Daily spiral review mixes new skills with earlier ideas, while chapter quizzes and tests help learners see what has stuck. Free access includes every Learn and Review section, plus limited daily practice and Ask Vector questions. A membership unlocks unlimited practice and Ask Vector questions, along with Challenge, SAT Practice, quizzes, and tests. SUBSCRIPTION INFORMATION Vector Mountain offers auto-renewing subscriptions that unlock full membership access: • Individual Monthly Duration: 1 month Price: $24.99 USD per month Coverage: 1 student • Individual Annual Duration: 1 year Price: $179.99 USD per year Coverage: 1 student • Family Annual Duration: 1 year Price: $239.99 USD per year Coverage: Up to 4 learner profiles within one Vector Mountain account Prices may vary by country or region. Payment will be charged to your Apple Account when you confirm your purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your Apple Account will be charged for renewal within 24 hours before the end of the current period at the price of your selected plan. You can manage subscriptions and turn off auto-renewal in your Apple Account Settings after purchase. Privacy Policy: https://vectormountain.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Understand probability distributions from the first equation. Probability 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. FOLLOW THE REASONING Start 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. DERIVE THE MEAN AND VARIANCE Study 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. CONNECT FORMULAS TO SHAPES AND USES Explore each distribution's graph, parameters, and concrete examples. Use the relationship map to study sums, limits, and transformations together with their conditions. REVISIT THE MATHEMATICS YOU NEED Refer 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. FREE EDITION AND FULL ACCESS The free edition includes four distributions: Bernoulli, Binomial, Poisson, and Normal. Banner ads are shown in the free edition. Full 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. Available in Japanese and English. No app account or login is required.