Slide12.JPG

Slide13.JPG

  1. Chapter 5 Class 8 Data Handling
  2. Serial order wise

Transcript

Example 3 A bag has 4 red balls and 2 yellow balls. (The balls are identical in all respects other than colour). A ball is drawn from the bag without looking into the bag. What is probability of getting a red ball? Is it more or less than getting a yellow ball? Total Balls = 6 Number of Red Balls = 4 Number of Yellow Balls = 2 Probability of getting a red ball = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘…๐‘’๐‘‘ ๐ต๐‘Ž๐‘™๐‘™๐‘ )/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐ต๐‘Ž๐‘™๐‘™๐‘ ) = 4/6 = 2/3 Probability of getting a yellow ball = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘Œ๐‘’๐‘™๐‘™๐‘œ๐‘ค ๐ต๐‘Ž๐‘™๐‘™๐‘ )/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐ต๐‘Ž๐‘™๐‘™๐‘ ) = 2/6 = 1/3 Since 2/3>1/3 โˆด Probability of getting a red balls is more than getting a yellow ball.

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.