Checkpoint 4.3.13. WebWork - Easy Probabilities.

(a) \(\) Count the number of ways to arrange a sample of \(2\) elements from a population of \(11\) elements. NOTE: Order is not important.
answer:
(b) \(\) If random sampling is to be employed, the probability that any particular sample will be selected is
Answer 1.Answer 2.
Notice how the probabilities look similar to relative frequencies. It’s just the case that you are counting ALL of the individual simple possibilities that lead to a success.
in-context