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Introduction To Probability — Flashcards

NIOS · Class 10 · Maths

26 flashcards for Introduction To Probability (NIOS Class 10 Maths) to test yourself on key terms and facts. Part of the NIOS Class 10 Maths syllabus.

40 questions26 flashcards4 formulas & key relations5 concepts

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An illustration showing various real-life scenarios where probability concepts like 'may', 'likely', 'unlikely', 'chances', 'doubt' are used, demonstrating uncertainty.
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One of 7 illustrations for Introduction To Probability in Super Tutor — alongside flashcards, concept maps and practice questions.

26 Flashcards·
Probability of coin tossProbability of die throwComplement of an eventSure eventImpossible eventComplement ruleProbability of cards
Card 1Probability of coin toss

A coin is tossed once. Find the probability of getting a head.

Answer

Step 1: Possible outcomes are H and T. Step 2: Favourable outcomes for head = 1. Step 3: Total possible outcomes = 2. Step 4: P(head) = favourable outcomes / total outcomes = 1/2. Answer: 1/2…

Card 2Probability of coin toss

A coin is tossed once. Find the probability of getting a tail.

Answer

Step 1: Possible outcomes are H and T. Step 2: Favourable outcomes for tail = 1. Step 3: Total possible outcomes = 2. Step 4: P(tail) = 1/2. Answer: 1/2…

Card 3Probability of die throw

A die is thrown once. Find the probability of getting a 3.

Answer

Step 1: Possible outcomes are 1, 2, 3, 4, 5, 6. Step 2: Favourable outcomes for 3 = 1. Step 3: Total possible outcomes = 6. Step 4: P(3) = 1/6. Answer: 1/6…

Card 4Complement of an event

A die is thrown once. Find the probability of getting a number other than 3.

Answer

Step 1: Possible outcomes are 1, 2, 3, 4, 5, 6. Step 2: Outcomes other than 3 are 1, 2, 4, 5, 6. Step 3: Favourable outcomes = 5. Step 4: Total possible outcomes = 6. Step 5: P(not 3) = 5/6. Answer: 5…

Card 5Sure event

A die is thrown once. Find the probability of getting a number less than 7.

Answer

Step 1: A die has outcomes 1, 2, 3, 4, 5, 6. Step 2: All 6 outcomes are less than 7. Step 3: Favourable outcomes = 6. Step 4: Total possible outcomes = 6. Step 5: P(number less than 7) = 6/6 = 1. Answ…

Card 6Impossible event

A die is thrown once. Find the probability of getting a number greater than 7.

Answer

Step 1: A die has outcomes 1, 2, 3, 4, 5, 6. Step 2: No outcome is greater than 7. Step 3: Favourable outcomes = 0. Step 4: Total possible outcomes = 6. Step 5: P(number greater than 7) = 0/6 = 0. Ans…

Card 7Complement rule

If P(E) = 2/7, find P(not E).

Answer

Step 1: Use the complement rule. Step 2: P(E) + P(not E) = 1. Step 3: P(not E) = 1 - 2/7. Step 4: Write 1 as 7/7. Step 5: P(not E) = 7/7 - 2/7 = 5/7. Answer: 5/7…

Card 8Probability of cards

A card is drawn from a well-shuffled deck of 52 cards. Find the probability of drawing a red card.

Answer

Step 1: Red suits are hearts and diamonds. Step 2: Number of red cards = 13 + 13 = 26. Step 3: Total cards = 52. Step 4: P(red card) = 26/52 = 1/2. Answer: 1/2…

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Frequently Asked Questions

What are the important topics in Introduction To Probability for NIOS Class 10 Maths?
Key topics in Introduction To Probability include Basic Ideas in Probability, Event, Elementary Event, and Probability Formula, Sure Events, Impossible Events, and Complementary Events, Standard Worked Examples. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How many flashcards are available for Introduction To Probability?
There are 26 flashcards for Introduction To Probability covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Introduction To Probability for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 40 practice questions on Introduction To 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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