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Ex 5.3, 6 - Find the probabilities of the events given in Question 2

Ex 5.3, 6 - Chapter 5 Class 8 Data Handling - Part 2

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Ex 4.2, 6 Find the probabilities of the events given in Question 2. Question 2 is When a die is thrown, list the outcomes of an event of getting (i) (a) a prime number (b) not a prime number. Total number of outcomes = 6 (i) (a) Number of outcomes of getting a prime number = 3 Probability = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘œπ‘“ 𝑔𝑒𝑑𝑑𝑖𝑛𝑔 π‘Ž π‘π‘Ÿπ‘–π‘šπ‘’ π‘›π‘’π‘šπ‘π‘’π‘Ÿ)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 3/6=1/2 (b) Number of outcomes of getting not a prime number = 3 Probability = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘œπ‘“ π‘›π‘œπ‘‘ 𝑔𝑒𝑑𝑑𝑖𝑛𝑔 π‘Ž π‘π‘Ÿπ‘–π‘šπ‘’ π‘›π‘’π‘šπ‘π‘’π‘Ÿ)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 3/6=1/2 Ex 4.2, 6 Find the probabilities of the events given in Question 2. Question 2 is When a die is thrown, list the outcomes of an event of getting (ii) (a) a number greater than 5 (b) a number not greater than 5. (ii) (a) Number of outcomes of getting a number greater than 5 = 1 Probability = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘œπ‘“ 𝑔𝑒𝑑𝑑𝑖𝑛𝑔 π‘Ž π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘”π‘Ÿπ‘’π‘Žπ‘‘π‘’π‘Ÿ π‘‘β„Žπ‘Žπ‘› 5)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 1/6 (b) Number of outcomes of getting not a greater than 5 = 5 Probability = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘  π‘œπ‘“ π‘Ž 𝑔𝑒𝑑𝑑𝑖𝑛𝑔 π‘Ž π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘›π‘œπ‘‘ π‘”π‘Ÿπ‘’π‘Žπ‘‘π‘’π‘Ÿ 5)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘œπ‘’π‘‘π‘π‘œπ‘šπ‘’π‘ ) = 5/6

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.