A Die Is Rolled Twice $\{(1,6),(6,1)\}$ B) $\{(1,6)\}$ C) $\varnothing$ D) $\{(6,1)\}$

Multiple Choice

A die is rolled twice. Write the indicated event in set notation.
-The sum of the rolls is 7 , and one roll is a 1.

A) $\{(1,6) ,(6,1) \}$
B) $\{(1,6) \}$
C) $\varnothing$
D) $\{(6,1) \}$