Sample space identified.
AskSia outlines the set of all possible outcomes before computing.
Setup
AI Solver by AskSia
Probability Solver: any question, step by step
Type or photograph the probability problem. AskSia identifies the structure (basic probability, conditional, joint, distribution), applies the right rule, and computes the answer with units.
Works with word problems, equations, code, and science prompts.
∫ 3x² · sin(x) dx
SubjectsCalculusAlgebraPhysicsChemistryBiologyCSStatisticsEcon
4.9 / 5 · trusted by 2M+ students · 50M+ problems solved
asksia.ai/solver
98% · Verified
Problem
Find the area enclosed between y = x² and y = 2x in the first quadrant.
1
Find the points of intersection
Set the curves equal: x² = 2x → x(x - 2) = 0, so x = 0 and x = 2.
2
Identify which curve is on top
On (0, 2), 2x > x², so y = 2x is the upper curve.
3
Set up the area integral
A = ∫₀² (2x - x²) dx
4
Integrate term-by-term
A = [ x² - x³/3 ]₀²
Final Answer
A = 4/3 sq. units
Quick Answer
How do you compute a probability?
To compute a probability, identify the sample space (all possible outcomes) and the event of interest (the subset of outcomes you care about). The probability is the number of favorable outcomes divided by the total outcomes when outcomes are equally likely. For more complex situations, use the addition rule for unions, the multiplication rule for intersections of independent events, the conditional probability formula, and Bayes' theorem to reverse conditioning. Distributions handle structured experiments.
98%
solution accuracy
50M+
problems solved
~1.5s
avg solve time
A+
study-ready explanations
Why AskSia Solver
Why students use AskSia for Probability.
Every step transparent, every answer self-checked.
Right rule chosen.
Addition for unions, multiplication for intersections, Bayes for reversal.
Rule-aware
Conditional probability.
Formula applied; AskSia handles tree diagrams and contingency tables.
Conditional
Distributions when applicable.
Binomial, normal, Poisson, etc., used when the experiment matches.
Distribution
Photo, paste, or type.
Snap handwritten or printed problems with your phone, paste from any online homework portal, or type with full LaTeX support.
Multi-modal input
Verified by AskSia.
Every answer gets a self-check pass. Sia catches sign errors and algebra mistakes before you submit your homework.
Self-checked
How It Works
Solve any Probability problem in three steps.
Step 01
Enter the problem.
Type the expression, paste from your homework, snap a photo, or speak it. AskSia parses your input and identifies the structure.
Input mode
Snap a Photo
Textbook, handwriting, screenshot
Paste Text
Word problem or equation
Calculator
LaTeX-ready equation editor
Step 02
AskSia picks the method.
Based on the problem structure, AskSia chooses the cleanest solution path and labels each step with the operation performed.
1
Set curves equal
x² = 2x → x = 0, x = 2
2
Set up the integral
A = ∫₀² (2x - x²) dx
3
Evaluate
A = [x² - x³/3]₀² = 4/3
Step 03
Read the verified answer.
Final result appears with a substitution or composition check. Practice problems on the same concept are one tap away.
Auto-generated diagram
Region between y = 2x and y = x² — area = 4/3
Available On
Solve anywhere
you study.
Every solve syncs across Web, iOS, and Android — start it at your desk, finish on your phone.
Web App
Full study studio
Split-panel interface with the worked solution on the left, the auto-generated diagram and AI tutor chat on the right.
Drag & drop image upload + LaTeX equation editor
Auto-generated diagrams render alongside steps
Side-panel AI tutor chat for hints and alt methods
Export to PDF, DOCX, Notion, or Google Docs
Hi! What are we studying today?
Ask about your homework, lecture, or readings...↑
Calculus
98% verified
1.4s
Step 4 of 4 · Evaluate
A = [x² - x³/3]₀² = 4/3
Mobile App
Snap & solve, anywhere
Open the camera, frame the problem, and the worked solution plus diagram appear in seconds.
One-tap snap-and-solve on iOS and Android
Pinch-to-zoom diagrams, swipe between steps
Auto-sync solves with your Web library
Offline review of saved solutions and flashcards
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98%
1.4s
Area between y=2x & y=x²
A = 4/3 sq. units ✓
Use Cases
What the Probability solver covers.
Basic probability.
Coin flip, dice roll, card draw. Sample space and event counting.
Basic
Conditional probability.
Given B happened, what is P of A? Use the formula or tree diagram.
Conditional
Bayes' theorem.
Reverse conditioning.
Bayes
Binomial probability.
Number of successes in n independent trials.
Binomial
Normal probability.
P(X less than value) for normally distributed X via z-score.
Normal
Verify your homework.
Paste your candidate answer and the original problem. AskSia walks the work, flags any divergent step, and tells you the correct final value.
Answer check
Compare
AskSia vs. ChatGPT,
Photomath & Symbolab.
General chatbots hallucinate. Photo solvers stop at math. AskSia is built for actual coursework with verified accuracy, visual learning, and every subject.
| Feature | AskSia Solver | ChatGPT | Photo Solvers |
|---|---|---|---|
| Solution accuracy | ✓ 98% | ~70-85%, hallucinations | ~90%, math only |
| Auto-generated diagrams | ✓ Every solve | Inconsistent / broken | Graphs only, math-only |
| Step-by-step explanations | ✓ Numbered + plain English | Inconsistent depth | ✓ Math steps |
| Subject coverage | ✓ Math, Physics, Chem, Bio, CS, Econ | ✓ Wide but unverified | Math only |
| Photo input | ✓ Handwriting + diagrams + code | Photos OK, weak on handwriting | ✓ Math photos only |
| Answer verification | ✓ Self-checked before display | No verification | Math engine only |
| Tutor follow-ups | ✓ Hints, alt methods, ELI5 | ✓ General chat | Not available |
| Practice and flashcards | ✓ One-tap from any solve | Manual prompting | Not available |
| Code debugging | ✓ Python, Java, C++, SQL... | ✓ Yes | Not available |
| Free to start | ✓ Daily solves, no card | Limited model access | Steps locked behind paywall |
FAQ
Frequently asked questions.
What is the addition rule for probability?
For two events A and B, P(A or B) equals P(A) plus P(B) minus P(A and B). The subtraction removes the double-counting of outcomes in both A and B. If A and B are mutually exclusive (cannot both happen), then P(A and B) equals 0 and the formula simplifies.
What is conditional probability?
Conditional probability P(A given B) is the probability of A happening given that B has happened. The formula is P(A given B) equals P(A and B) divided by P(B). It captures how knowing B changes our assessment of A's likelihood. If A and B are independent, P(A given B) equals P(A).
How does Bayes' theorem work?
Bayes' theorem reverses conditional probability. It lets you compute P(A given B) from P(B given A) and the unconditional probabilities. Useful when you know the reverse conditional (likelihood) and want the posterior. AskSia applies Bayes when the problem structure calls for it.
When are two events independent?
Two events A and B are independent if P(A and B) equals P(A) times P(B), equivalently P(A given B) equals P(A). Independence means knowing one event happened does not change the probability of the other. AskSia checks independence using either of these conditions.
How accurate is AskSia?
AskSia is engineered for accuracy on standard high school and college coursework. Accuracy comes from subject-specialized models, a symbolic verification pass that catches arithmetic errors, and a self-check step that re-derives the answer before showing it to you.
Can I get practice problems and flashcards?
Yes. After any solve, ask Sia to generate similar practice problems at SAT, ACT, AP, IB, or college difficulty, or build a flashcard set on the underlying concept in one tap. Useful for exam prep and spaced repetition before a quiz, midterm, or final.
How much does AskSia cost?
AskSia has a free plan that includes daily solves across all subjects. AskSia Pro and Super include unlimited solves, advanced subjects, the full AI tutor companion, exports, and priority response speed. See pricing for details.
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Sample space, rules, the probability.
Join 2M+ students using AskSia to solve probability problems step-by-step. Photo input, plain-English explanations, and a verification check on every solve.
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