Four species of shblack molly, guppy, goldsh, and neonare available in a sh store.Achild has been told

Four species of fish—black molly, guppy, goldfish, and neon—are available in a fish store.Achild has been told that she may choose any two of these fish species for her aquarium. Once she makes the choice, several fish of the two selected species will be purchased.
a. Give the sample space for this experiment.
b. Let A denote the event that the child’s selections include a black molly. How many outcomes are in A?
c. Let B,C, and D denote the events that the selections include a guppy, goldfish, and neon, respectively. Symbolically denote the event of selections containing a guppy, but no goldfish or neon, and identify the number of outcomes in the set.
d. List the outcomes in ¯ A, AB∪CD, AB∪CD, and (A∪C)(B∪D).

Answer rating: 100% (QA)

a The child can select any two out of the four types of fish The sample space S is given ... View the full answer