Question 3 - Finding probability - Probability

Last updated at August 14, 2026 by

Ex 15.1, 3 - In a particular section of Class IX, 40 students - Ex 15.1

Ex 15.1, 3 - Chapter 15 Class 9 Probability - Part 2

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Question 3 In a particular section of Class IX, 40 students were asked about the months of their birth and the following graph was prepared for the data so obtained. Find the probability that a student of the class was born in August: Number of students born in the month of August = 6 Total number of students = 40 P (Students born in the month of august) = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ ๐‘ก๐‘ข๐‘‘๐‘’๐‘›๐‘ก๐‘  ๐‘๐‘œ๐‘Ÿ๐‘› ๐‘–๐‘› ๐‘Ž๐‘ข๐‘”๐‘ข๐‘ ๐‘ก)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘›๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ ๐‘ก๐‘ข๐‘‘๐‘’๐‘›๐‘ก๐‘ ) = 6/40 = 3/20

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