1. Chapter 3 Class 7 Data Handling
  2. Serial order wise
  3. Ex 3.4

Ex 3.4, 2 - Chapter 3 Class 7 Data Handling

Last updated at July 13, 2018 by

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  1. Chapter 3 Class 7 Data Handling
  2. Serial order wise

    3. Ex 3.4

    Examples →

Transcript

Ex 3.4, 2 There are 6 marbles in a box with numbers from 1 to 6 marked on each of them. (i) What is the probability of drawing a marble with number 2? Possible outcomes = 1, 2, 3, 4, 5, 6 Probability of getting number 2 = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ก๐‘–๐‘š๐‘’๐‘  ๐‘ค๐‘’ ๐‘๐‘Ž๐‘› ๐‘”๐‘’๐‘ก 2)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘๐‘œ๐‘ ๐‘ ๐‘–๐‘๐‘™๐‘’ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘ ) = ๐Ÿ/๐Ÿ” Ex 3.4, 2 There are 6 marbles in a box with numbers from 1 to 6 marked on each of them. (ii) What is the probability of drawing a marble with number 5 . Possible outcomes = 1, 2, 3, 4, 5, 6 Probability of getting number 5 = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ก๐‘–๐‘š๐‘’๐‘  ๐‘ค๐‘’ ๐‘๐‘Ž๐‘› ๐‘”๐‘’๐‘ก 5)/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘๐‘œ๐‘ ๐‘ ๐‘–๐‘๐‘™๐‘’ ๐‘œ๐‘ข๐‘ก๐‘๐‘œ๐‘š๐‘’๐‘ ) = ๐Ÿ/๐Ÿ”

Chapter 3 Class 7 Data Handling
Serial order wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.