Natalie has three pairs of pants (tan, black, and blue) and five shirts (white, black, blue, green, and red). each morning, she randomly selects one pair of pants and then one shirt. the following tree diagram represents the sample space for this compound event. outcomes may be listed using an ordered pair. for example, tan pants and a red shirt can be listed as (tan, red).

a. how many total outcomes are in the sample space?
b. list the favorable outcomes for natalie selecting a pair of pants and shirt that are the same color.
c. list the favorable outcomes for natalie selecting a black shirt.
d. list the favorable outcomes for natalie selecting at least one blue article of clothing.