Answer (Choose 1 answer)
(See picture)
A. 0.277
B. 0.019
C. 0.258
D. 0.5
A computer system uses passwords that are six characters and each character is one of the 26 letters (a-z) or 10 integers (0-9). Uppercase letters are not used. Let A denote the event that a password begins with a vowel (a, e, i, o, u), and let B denote the event that a password ends with an even number (0, 2, 4, 6, 8).
Suppose a hacker selects a password at random. Determine P(A U B).
the exam.
Exit 42