Choose the correct statements.

a. A random variable is a quantitative or qualitative outcome which results from a chance experiment.
b. A random variable is a quantitative or qualitative outcome which results from a chance experiment.
c. A probability distribution includes the likelihood of each possible outcome or random variable.
d. A probability distribution includes the likelihood of each possible outcome or random variable.
e. A probability distribution is the outcome of an experiment. A probability distribution is the outcome of an experiment.
f. A random variable represents the likelihood of an outcome.