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In a T.T. match between Geeta and Ritu, the probability of the winning of Ritu is 0.73. Find the probability of: winning of Geeta. not winning of Ritu. - Mathematics

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Question

In a T.T. match between Geeta and Ritu, the probability of the winning of Ritu is 0.73. Find the probability of:

  1. winning of Geeta.
  2. not winning of Ritu.
Sum

Solution

i. Winning of Geeta is a complementary event to winning of Ritu

Therefore,

P(winning of Ritu) + P(winning of Geeta) = 1

P(winning of Geeta) = 1 – P(winning of Ritu)

P(winning of Geeta) = 1 – 0.73

P(winning of Geeta) = 0.27

ii. Not winning of Ritu is a complementary event to winning of Ritu

Therefore,

P(winning of Ritu) + P(not winning of Ritu) = 1

P(not winning of Ritu) = 1 – P(winning of Ritu)

P(not winning of Ritu) = 1 – 0.73

P(not winning of Ritu) = 0.27

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Chapter 25: Probability - Exercise 25 (A) [Page 386]

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Selina Mathematics [English] Class 10 ICSE
Chapter 25 Probability
Exercise 25 (A) | Q 7.1 | Page 386

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