Chance and Probability

Author:Assam Board
8th Assam Board
IMPORTANT

Chance and Probability: Overview

In this topic, we will learn about chance and probability. In some experiments, we cannot say directly about its outcome. There is no possible outcome. These types of experiments are called random experiments.

Important Questions on Chance and Probability

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Suppose you spin the wheel given below, find the probability of not getting a green sector.

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Suppose you spin the wheel given below, find the probability of getting a green sector.

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Suppose you spin the wheel given below, list the number of outcomes of getting a green sector and not getting a green sector on this wheel.

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You have a bag with five identical balls of different colours, and you are to pull out (draw) a ball without looking at it; list the outcomes you would get.
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When you spin a wheel as shown in figure. List all possible outcomes.
(Outcome here means the sector at which the pointer stops)
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When a die is thrown what are the six possible outcomes.

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Mention the possible outcomes, if we start a scooter?

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When a die is thrown, find the probabilities of getting a number greater than 5 and a number not greater than 5.

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When a die is thrown, list the outcomes of an event of getting not a prime number.

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When a die is thrown, list the outcomes of an event of getting a number not greater than 5.

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When a die is thrown, list the outcomes of an event of getting a prime number.

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List the outcomes you can see in the experiment of tossing two coins together.

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List the outcomes you can see in the experiment of spinning a wheel:

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If you have a spinning wheel with 3 green sectors, 1 blue sector and 1 red sector. What is the sum of probabilities of getting a green sector and a non-blue sector? (Give the answer as an improper fraction)

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Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting a 1-digit number?

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Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting a number greater than 6?

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Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting a number less than 6 in simplest form of fraction.

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Numbers 1 to 10 are written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting a number 6?

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Find the probability of getting a red apple.

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Find the probability of getting an ace from a well shuffled deck of 52 playing cards? (Write the final answer in lowest form)