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

Short Quiz · Class 9 · Maths · CBSE

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Chapter 7 - The Mathematics of Maybe: Introduction to Probability | 5 questions | about 4 minutes

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

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Question 1 of 5
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Question 1 of 5
A tyre company records the following distances before replacement in \(1{,}000\) cases: \(20\) lasted less than \(4{,}000\) km, \(210\) lasted \(4{,}001\)–\(9{,}000\) km, \(325\) lasted \(9{,}001\)–\(14{,}000\) km, and \(445\) lasted more than \(14{,}000\) km. What is the experimental probability that a tyre lasts between \(4{,}000\) km and \(14{,}000\) km?
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Question 2 of 5
Three fair coins are tossed. What is the probability that the first coin shows heads and exactly two heads occur in total?
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Question 3 of 5
A weather study records the intensity of rainfall tomorrow rather than only whether rain occurs. Which sample space best matches the study?
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Question 4 of 5
A student guesses the answers to \(3\) multiple-choice questions. Each question has \(4\) options and exactly one correct answer. What is the probability that the student gets exactly \(2\) answers correct?
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Question 5 of 5
A box contains \(12\) identical cards, each either purple or green. The probability of drawing a purple card is \(\frac34\). How many purple cards are in the box?
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