A University of Saskatchewan NSID is a unique identifier of a student, faculty, or staff member. An NSID is comprised of three letters followed by three digits (each digit is 0, 1, 2, 3,4,5, 6, 7,8, or 9). Letters and numbers may be repeated. For the purposes of this question, assume each letter and number is randomly chosen. For example, an NSID could be aaa000, or abc123. What is the probability that an NSID begins with the letter e? Round your answer to 4 decimal places