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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?
Sum
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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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Chapter 25: Probability - Exercise 25 (C) [Page 394]
