Question

Find the probability of choosing a letter other than the letter R from a bag that contains the fifteen letters of the French city CLERMONT-FERRAND.Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Answer 1

Given the following question:

Clermont - Ferrand

15 letters in total

Three R's in the 15 letters

15 - 3 = 12

12 possible letters we can receive

`\begin{gathered} (12)/(15) \\ \text{ Simplify} \\ (12)/(15)/3=(4)/(5) \\ =(4)/(5) \\ (4)/(5)=4/5=0.8 \end{gathered}`

Simplfied fraction = 4/5

Decimal = 0.8