Ex 15.1

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Ex 15.1, 14 Important You are here

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Ex 15.1, 20* (Optional) Important

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Ex 15.1, 25 (i) Important

Ex 15.1, 25 (ii)

Last updated at Aug. 5, 2021 by Teachoo

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) = (ππ’ππππ ππ ππππ πππππ ππ πππ πππππ’π)/(πππ‘ππ ππ’ππππ ππ πππππ ) = 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) = (ππ’ππππ ππ ππππ πππππ )/(πππ‘ππ ππ’ππππ ππ πππππ ) = 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) = (ππ’ππππ ππ πππ ππππ πππππ )/(πππ‘ππ ππ’ππππ ππ πππππ ) = 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) = (ππ’ππππ ππ π½πππ ππ βππππ‘π πππππ )/(πππ‘ππ ππ’ππππ ππ πππππ ) = 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 β spade, club, diamond and hearts. Total number of spade cards = 13 P (getting a spade card) = (ππ’ππππ ππ π ππππ πππππ )/(πππ‘ππ ππ’ππππ ππ πππππ ) = 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) = (ππ’ππππ ππ ππ’πππ ππ ππππππππ )/(πππ‘ππ ππ’ππππ ππ πππππ ) = 1/52