College Algebra & Trigonometry, 2018a

338 CHAPTER 7. COMBINATORICS
14) For problem #14 refer to the sample space in Section 4.1 (or create your
own).
If a pair of standard six-sided dice are rolled, what is the probability of:
a) rolling a 7
b) rolling a 9
c) rolling doubles (the same number on each die)
d) not rolling doubles
e) rolling 9 or higher
SET II
An unbiased coin is tossed 5 times. Find the probability that:
15) the coin lands heads five times
16) the coin lands heads exactly once
17) the coin lands heads at least once
18) the coin lands heads more than once
Two cards are drawn without replacement from a standard deck of 52 cards. Find
the probability that:
19) a pair is drawn
20) a pair is not drawn
21) two black cards are drawn
22) two cards of the same suit are drawn