A die is rolled twice. Write the indicated event in set notation.
-The sum of the rolls is either 7 or 9 , and one roll is a 4 .
A) $\{(4,3),(3,4)\}$
B) $\{(3,4),(5,4)\}$
C) $\{(4,3),(4,5)\}$
D) $\{(4,3),(4,5),(3,4),(5,4)\}$

Question

Quizplus · Accepted Answer

The sum of the rolls being 7 or 9 with one roll being a 4 can occur in the pairs (4,3), (3,4), (4,5), and (5,4).

A Die Is Rolled Twice {(4,3),(3,4)}\{(4,3),(3,4)\}{(4,3),(3,4)} B) {(3,4),(5,4)}\{(3,4),(5,4)\}{(3,4),(5,4)} C) {(4,3),(4,5)}\{(4,3),(4,5)\}{(4,3),(4,5)} D) {(4,3),(4,5),(3,4),(5,4)}\{(4,3),(4,5),(3,4),(5,4)\}{(4,3),(4,5),(3,4),(5,4)}

A Die Is Rolled Twice $\{(4,3),(3,4)\}$ B) $\{(3,4),(5,4)\}$ C) $\{(4,3),(4,5)\}$ D) $\{(4,3),(4,5),(3,4),(5,4)\}$