Answer:
5,4,6,7
Explanation:
The digits 4, 5, 6, 7, and 8 are randomly arranged to form a five-digit number. Complete parts (a) and (b) below.
(a) Find the probability that the number is odd.
The probability that the number is odd
(Type an integer or a simplified fraction.)
(b) Find the probability that the first and last digits of the number both are odd.
The probability that the first and last digits of the number both are odd is
.
(Type an integer or a simplified fraction.)