ndividual can be classified by gender as male, female, by hair color as black, blonde, brown, red, unknown, and by eye color as black, b How many different classifications are possible (for example, male, with black hair, and brown eyes)? re are 20 different classifications. Construct a tree diagram to determine the sample space. tree for gender has 2 branches. m each branch of the tree for gender, the tree for hair color has 5 branches. m each branch of the tree for hair color, the tree for eye color has 2 branches. feach outcome is equally likely, find the probability that the individual will be a female with red hair and black eyes. size of the sample space is