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Home > CCA2 > Chapter 1 > Lesson 1.2.4 > Problem 1-118

1-118.

Have you ever wondered why so many equations are written with the variables x and y? 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. Homework Help ✎

  1. What is the probability that you pull out an x?

  2. If you got the x, now what is the probability that you pull out a y?

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