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Ex 3.4, 2 - Chapter 3 Class 7 Data Handling

Last updated at July 13, 2018 by

Ex 3.4, 2 - There are 6 marbles in a box with numbers from 1 to 6

Ex 3.4, 2 - Chapter 3 Class 7 Data Handling - Part 2

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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 = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘‘π‘–π‘šπ‘’π‘  𝑀𝑒 π‘π‘Žπ‘› 𝑔𝑒𝑑 2)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘π‘œπ‘ π‘ π‘–π‘π‘™π‘’ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 𝟏/π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 = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘‘π‘–π‘šπ‘’π‘  𝑀𝑒 π‘π‘Žπ‘› 𝑔𝑒𝑑 5)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘π‘œπ‘ π‘ π‘–π‘π‘™π‘’ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 𝟏/πŸ”

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.