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The probability that two boys do not have the same birthday is 0.897. What is the probability that the two boys have the same birthday? - Mathematics

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Question

The probability that two boys do not have the same birthday is 0.897. What is the probability that the two boys have the same birthday? 

Solution

P(do not have the same birthday)+P(have same birthday) = 1
0.897 + P(have same birthday) = 1
P(have same birthday) = 1 – 0.897
P(have same birthday) = 0.103

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APPEARS IN

 Selina Solution for Concise Mathematics for Class 10 ICSE (2020 (Latest))
Chapter 25: Probability
Exercise 25(C) | Q: 15 | Page no. 394
Solution The probability that two boys do not have the same birthday is 0.897. What is the probability that the two boys have the same birthday? Concept: Simple Problems on Single Events.
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