SOLUTION: A four-digit number is formed at random from the digits one through five inclusive. No digit appears more than once in each number. Find the probability that the number will be

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Question 980728: A four-digit number is formed at random from the digits one through five inclusive. No digit appears more than once in each number. Find the probability that the number will be

a. odd
b. divisible by 5
c. even

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a) Oddness is determined by last digit. There are 3 odds (1,3,5) and two evens (2,4).
P%28odd%29=3%2F5
P%28even%29=2%2F5
.
.
.
b) Divisible by 5 : Only numbers ending in 5 are divisible by 5.
P=1%2F5