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Ex 5.3, 6 - Chapter 5 Class 8 Data Handling

Last updated at July 25, 2018 by

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 5.3, 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 5.3, 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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