Ex 4.2, 5 - Chapter 4 Class 8 Data Handling

Last updated at Dec. 16, 2024 by

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Ex 4.2, 5 If you have a spinning wheel with 3 green sectors, 1 blue sector and 1 red sector, what is the probability of getting a green sector? What is the probability of getting a non blue sector? Total Sectors = 5 Number of Green Sectors = 3 Number of Red Sector = 1 Number of Blue Sector = 1 Probability of getting a Green Sector = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ πΊπ‘Ÿπ‘’π‘’π‘› π‘†π‘’π‘π‘‘π‘œπ‘Ÿπ‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘ π‘’π‘π‘‘π‘œπ‘Ÿπ‘ ) = πŸ‘/πŸ“ B means Blue Sector R means Red sector R means Green sector Number of Non Blue Sectors = Number of Total Sectors βˆ’ Number of Blue Sectors = 5 βˆ’ 1 = 4 Probability of getting a non Blue Sector = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘œπ‘› 𝐡𝑙𝑒𝑒 π‘ π‘’π‘π‘‘π‘œπ‘Ÿπ‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘†π‘’π‘π‘‘π‘œπ‘Ÿπ‘ ) = πŸ’/πŸ“

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo