Answer: 0.6
Step-by-step explanation:
Given data:
Lock combination = 3 digit.
Numbers used on the code = (4,5,6,7,8)
Solution:
Probability that the code first number is even.
Even numbers = (4,6,8)
Odd Numbers = (5,7)
Total no available = 5.
P(even number) = 3/5
= 0.6