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Ex 15.1, 14 - One card is drawn from a  eck of 52 cards - Cards

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Ex 15.1, 14 - Chapter 15 Class 10 Probability - Part 2

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Ex 15.1, 14 - Chapter 15 Class 10 Probability - Part 3

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Ex 15.1, 14 - Chapter 15 Class 10 Probability - Part 4

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Ex 15.1, 14 - Chapter 15 Class 10 Probability - Part 5

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Ex 15.1, 14 - Chapter 15 Class 10 Probability - Part 6

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Transcript

Ex15.1, 14 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (i) a king of red colour Total number of cards = 52 Total number of kings of red colour = 2 P (getting a king of red colour) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘˜π‘–π‘›π‘” π‘π‘Žπ‘Ÿπ‘‘π‘  π‘œπ‘“ π‘Ÿπ‘’π‘‘ π‘π‘œπ‘™π‘œπ‘’π‘Ÿ)/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘Žπ‘Ÿπ‘‘π‘ ) = 2/52 = 1/26 Ex15.1, 14 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (ii) a face card Total number of cards = 52 Face cards are King, Queen and Jack Each type has 4 cards Total number of face cards = 3 Γ— 4 = 12 P (getting a face card) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘“π‘Žπ‘π‘’ π‘π‘Žπ‘Ÿπ‘‘π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘Žπ‘Ÿπ‘‘π‘ ) = 12/52 = 3/13 Ex15.1, 14 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (iii) A red face card Total number of cards = 52 Face cards are King, Queen and Jack Total number Red of face cards = 6 P (getting a red face card) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘Ÿπ‘’π‘‘ π‘“π‘Žπ‘π‘’ π‘π‘Žπ‘Ÿπ‘‘π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘Žπ‘Ÿπ‘‘π‘ ) = 6/52 = 3/26 Ex15.1, 14 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (iv) the jack of hearts Total number of cards = 52 We have 4 Jack cards Total number of Jack of hearts = 1 P (getting a Jack of hearts) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π½π‘Žπ‘π‘˜ π‘œπ‘“ β„Žπ‘’π‘Žπ‘Ÿπ‘‘π‘  π‘π‘Žπ‘Ÿπ‘‘π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘Žπ‘Ÿπ‘‘π‘ ) = 1/52 Ex15.1, 14 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (v) a spade Total number of cards = 52 We have 4 suits – spade, club, diamond and hearts. Total number of spade cards = 13 P (getting a spade card) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘ π‘π‘Žπ‘‘π‘’ π‘π‘Žπ‘Ÿπ‘‘π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘Žπ‘Ÿπ‘‘π‘ ) = 13/52 = 1/4 Ex15.1, 14 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting (vi) the queen of diamonds Total number of cards = 52 We have 4 queen cards Total number of queen of diamonds = 1 P (getting a queen of diamond) = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘žπ‘’π‘’π‘’π‘› π‘œπ‘“ π‘‘π‘–π‘Žπ‘šπ‘œπ‘›π‘‘π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘Žπ‘Ÿπ‘‘π‘ ) = 1/52

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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.