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Probability — Maths STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceMathsProbability1 Mark
Question
A single letter is selected at random from the word 'PROBABILITY'. What is the probability that it is a vowel?
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Answer

Let V be the event that a vowel is choosen
$\therefore\text{p}(\text{V})=\frac{4}{11}$
$\because$ there are 4 vowel amon 2 letter in the word probability.
$\therefore\text{p}(\text{V})=\frac{4}{11}$

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