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A Single Letter is Selected at Random from the Word ‘Probability’. Find the Probability that It is a Vowel. - ICSE Class 10 - Mathematics

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Question

A single letter is selected at random from the word ‘Probability’. Find the probability that it is a vowel.

Solution

Possible outcomes= s={'p','r','o','b','a','b','i','l','i','t,''y'} 

n(s)=11 

Event of selection of vowels =E={'o','a','i','i'} 

n(E)=4 

Probability of selection of a vowel =`p(s)=(n(E))/(n(s))=4/11` 

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Solution A Single Letter is Selected at Random from the Word ‘Probability’. Find the Probability that It is a Vowel. Concept: Random Experiments.
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