Step 1: Write out the formula for Probability
[tex]\text{Probability}=\frac{Number\text{ of events}}{\text{Total number of events}}[/tex]Step 2: Writing out the data
The number of times R occur in the word LIBRARY is 2.
The total number of alphabets in the word LIBRARY is 7.
Therefore, number of events= 2
Total number of events= 7
[tex]\text{Probability of picking R=}\frac{2}{7}[/tex]
