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Maths The Mathematics of Maybe: Introduction to Probability Class 9 [Ganita] MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 9 · Maths · CBSE

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Chapter 7 - The Mathematics of Maybe: Introduction to Probability | 10 questions | about 8 minutes

Practise The Mathematics of Maybe: Introduction to Probability Class 9 [Ganita] with Teachoo's 10 Question MCQ (including Assertion) (Class 9 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
A fair die has shown \(6\) on three consecutive rolls. What is the probability that it shows \(6\) on the next roll?
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Question 2 of 10
A bag contains \(3\) red, \(2\) blue and \(1\) green ball. Without listing every non-red ball separately, find the probability of drawing a ball that is not red.
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Question 3 of 10
Two 6-sided dice are rolled simultaneously. What is the probability that the sum of the numbers is a prime number strictly greater than 5?
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Question 4 of 10
A player may choose one of two rules:
Rule A: Roll one fair die and win if the result is greater than \(4\).
Rule B: Roll two fair dice and win if their sum is at least \(10\).
Which rule gives the larger probability of winning, and by how much?
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Question 5 of 10
What is the probability of obtaining an even number on a fair six-sided die?
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Question 6 of 10
Two fair six-sided dice are rolled. What is the probability that their sum is a prime number greater than \(5\)?
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Question 7 of 10
Box ABox B You pick one ball from Box A (2 Red, 1 Blue) and one ball from Box B (1 Red, 1 Green). What is the probability that you pick exactly one Red ball in total?
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Question 8 of 10
In an experiment, an event occurred \(36\) times and its experimental probability was \(0.24\). How many trials were performed?
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Question 9 of 10
An event has probability \(0.75\). How should it be described on the probability scale?
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Question 10 of 10
Assertion: A fair die is rolled \(12\) times and shows \(3\) on \(3\) trials. Its experimental probability of showing \(3\) is \(\frac14\), while its theoretical probability is \(\frac16\).
Reason: For a fair die, experimental probability and theoretical probability must be equal in every set of trials.
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