### Home > A2C > Chapter 1 > Lesson 1.2.4 > Problem 1-119

1-119.

Have you ever wondered why so many equations are written with the variables and

*? Suppose you are reaching into a bag that contains all the letters of the English alphabet, and you pull out one letter at random to use as a variable in equations. What is the probability that you pull out an*

*? If you got the*

*, now what is the probability that you pull out a*

*?*

After you take out , how many letters are left in the alphabet?