The sample space for buying black or brown shoes available in sizes 41, 42, 43 can be represented using a tree diagram as follows:
Black shoes:
- Size 41
- Size 42
- Size 43
Brown shoes:
- Size 41
- Size 42
- Size 43
The sample space consists of all possible outcomes when buying black or brown shoes available in sizes 41, 42, 43:
{Black shoes, Size 41}, {Black shoes, Size 42}, {Black shoes, Size 43}, {Brown shoes, Size 41}, {Brown shoes, Size 42}, {Brown shoes, Size 43}