Question

A single letter is selected at random from the word "PROBABILITY". The probability that the selected letter is a vowel is -

• A. $\frac{2}{11}$
• B. $\frac{3}{11}$
• C. $\frac{4}{11}$
• D. $0$

Answer 1

The correct option is C $\frac{4}{11}$

Total letters in the word PROBABILITY $=11$

Total vowels$=4$

$P\left(E\right)=\frac{4}{11}$