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In a Musical Chairs Game, a Person Has Been Advised to Stop Playing the Music at Any Time Within 40 Seconds After Its Start. What is the Probability that the Music Will Stop Within the First 15 Seconds? - ICSE Class 10 - Mathematics

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Question

In a musical chairs game, a person has been advised to stop playing the music at any time within 40 seconds after its start. What is the probability that the music will stop within the first 15 seconds? 

Solution

Total result = 0 sec to 40 sec 

Total possible outcomes =40 

n(s)=40 

Favorable results = 0 sec to 15 sec 

Favourable outcomes =15 

n(E)=15 

Probability that the music will stop in first 15 sec= `(n(E))/(n(S))=15/40=3/8`

  Is there an error in this question or solution?
Solution In a Musical Chairs Game, a Person Has Been Advised to Stop Playing the Music at Any Time Within 40 Seconds After Its Start. What is the Probability that the Music Will Stop Within the First 15 Seconds? Concept: Simple Problems on Single Events.
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