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NCERT Solutions Class 10 Mathematics Solutions for Probability - Exercise 15.1 in Chapter 15 - Probability

Question 49 Probability - Exercise 15.1

A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8 (see Figure), and these are equally likely outcomes. What is the probability that it will point at a number less than 9?

Question 49 Image - NCERT Solutions - Mathematics , Class 10 chapter Probability

Answer:

Total number of possible outcomes = 8

P(E) = (Number of favourable outcomes/ Total number of outcomes)

Total numbers less than 9 = 8 (1, 2, 3, 4, 5, 6, 7, and 8)

P (pointing at a number less than 9) = 8/8 = 1

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