Jacobs & Johnson, an accounting firm, employs 20 accountants, of whom 7 are CPAs. If a delegation of 2 accountants…

Jacobs & Johnson, an accounting firm, employs 20 accountants, of whom 7 are CPAs. If a delegation of 2 accountants is randomly selected from the firm to attend a conference, what is the probability that 2 CPAs will be selected?