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Ex 13.2, 15 (ii) - Chapter 13 Class 12 Probability
Last updated at Aug. 16, 2023 by Teachoo
Ex 13.2
Ex 13.2, 1
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Ex 13.2, 3 Important
Ex 13.2, 4
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Ex 13.2, 7 Important
Ex 13.2, 8
Ex 13.2, 9 Important
Ex 13.2, 10 Important
Ex 13.2, 11 (i)
Ex 13.2, 11 (ii) Important
Ex 13.2, 11 (iii)
Ex 13.2, 11 (iv) Important
Ex 13.2, 12
Ex 13.2, 13 Important
Ex 13.2, 14 Important
Ex 13.2, 15 (i)
Ex 13.2, 15 (ii) You are here
Ex 13.2, 15 (iii) Important
Ex 13.2, 16 Important
Ex 13.2, 17 (MCQ)
Ex 13.2, 18 (MCQ) Important
Chapter 13 Class 12 Probability
Serial order wise
Transcript
Ex 13.2, 15 One card is drawn at random from a well shuffled deck of 52 cards. In which of the following cases are the events E and F independent ? (ii) E : ‘the card drawn is black’ F : ‘the card drawn is a king’Finding P(E), P(F) and P(E ∩ F) E : the card drawn is a black Number of black cards = 26 Total number of cards = 52 P(E) = 26/52 = 1/2 F : the card drawn is an king Number of king cards = 4 Total number of cards = 52 P(F) = 4/52 = 1/13 Now, E ∩ F = the card drawn is a black king Number of black king = 2 So, P(E ∩ F) = 2/52 = 1/26 Now, P(E) . P(F) = 1/2 × 1/13 = 1/26 = P(E ∩ F) Since, P(E ∩ F) = P(E) . P(F), Therefore, E and F are independent events
