Q.8 A computer program requires the user to enter a 7-digit registration code made up of the digits 1, 2, 4, 5, 6, 7, and 9. Each number has to be used, and no number can be used more than once. (i)...

Q.8 A computer program requires the user to enter a 7-digit registration code made up of the digits 1, 2, 4, 5, 6, 7, and 9. Each number has to be used, and no number can be used more than once. (i) What is the probability that the first three digits of the code are even numbers? (ii) What is the probability that the first three digits of the code are odd numbers?