For Which of the Following Counts Would a Binomial Probability

Multiple Choice

For which of the following counts would a binomial probability model be reasonable?

A) the number of phone calls received in a one-hour period
B) the number of hearts in a hand of five cards dealt from a standard deck of 52 cards that has been thoroughly shuffled
C) the number of sevens in a randomly selected set of five digits from your table of random digits
D) All of the answer options are correct.