Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: AREA CODES An ares code consists of three digits. How many area codes are possible if: * there are no restrictions? _____ * the first digit cannot be a 1 or a 0? _____ * What is the probability of selecting an area code at random that ends in an odd number if the first digit cannot be a 1 or a 0. _____
Right answer summary: part 1: 1000; part 2: 800; part 3: 0.5
Question state: todo