The names of 4 boys and 6 girls are written on slips of paper and placed in a bowl. You take one slip of paper out of the bowl, set it aside, and then take another slip of paper.

a. What is the probability that you choose a boy’s name followed by a girl’s name?

b. Is the probability different if you put the first slip of paper back in the bowl before choosing the second slip of paper? Explain.