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Flashcards

Probability — Flashcards

ICSE · Class 8 · Mathematics

25 flashcards for Probability (ICSE Class 8 Mathematics) to test yourself on key terms and facts. Sample: "Solve: A coin is tossed once. What are"

84 questions25 flashcards13 formulas & key relations5 concepts

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25 Flashcards·
Random experiment outcomesCounting outcomesBasic termsRandom experiment
Card 1Random experiment outcomes

Solve: A coin is tossed once. What are the possible outcomes?

Answer

Step 1: A coin has two possible outcomes. Step 2: Write them clearly. Outcomes are: Head (H) and tail (T). Answer: H, T…

Card 2Random experiment outcomes

Solve: A coin is tossed two times. Write all possible outcomes.

Answer

Step 1: List the outcome for the first toss and second toss. Step 2: Combine them in order. Outcomes are: HH, HT, TH and TT. Answer: 4 outcomes…

Card 3Counting outcomes

Solve: A coin is tossed three times. How many possible outcomes are there?

Answer

Step 1: Each toss has 2 outcomes. Step 2: For 3 tosses, total outcomes = 2 × 2 × 2. Step 3: 2 × 2 × 2 = 8. Answer: 8 possible outcomes…

Card 4Random experiment outcomes

Solve: A die is thrown once. Write all possible outcomes.

Answer

Step 1: A die has six faces. Step 2: Write the numbers on the faces. Outcomes are: 1, 2, 3, 4, 5 and 6. Answer: 6 outcomes…

Card 5Counting outcomes

Solve: A die is thrown twice. How many ordered outcomes are possible?

Answer

Step 1: First throw has 6 outcomes. Step 2: Second throw also has 6 outcomes. Step 3: Total ordered outcomes = 6 × 6. Step 4: 6 × 6 = 36. Answer: 36 ordered outcomes…

Card 6Basic terms

What is the difference between an experiment and a trial?

Answer

An experiment is the overall action with well defined outcomes. A trial is each single performance of that experiment. Example: Tossing a coin is the experiment; each toss is a trial.

Card 7Random experiment

Why is tossing a coin a random experiment?

Answer

A random experiment has more than one possible outcome, and the exact outcome cannot be predicted in advance. For a coin toss, the possible outcomes are head and tail, but the next result cannot be kn…

Card 8Counting outcomes

Solve: When two coins are tossed together, what is the total number of possible outcomes?

Answer

Step 1: List all outcomes. Step 2: HH, HT, TH and TT. Step 3: Count them. Answer: 4 possible outcomes…

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Practise All

Frequently Asked Questions

What are the important topics in Probability for ICSE Class 8 Mathematics?
Key topics in Probability include Basic Ideas in Probability, Outcomes of Common Random Experiments, Probability Formula and Worked Examples. Study these first, then practise questions on each for Class 8 exams.
How many flashcards are available for Probability?
There are 25 flashcards for Probability covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Probability for Class 8 exams?
Learn the core ideas first, then work through the 84 practice questions on Probability. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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