Answer:
2/9
Step-by-step explanation:
Sample space :-
(1,1) (1,2) (1,3) (1,4) (1,5) <u><em>(1,6)</em></u>
(2,1) (2,2) (2,3) (2,4) <u><em>(2,5)</em></u> (2,6)
(3,1) (3,2) (3,3) <u><em>(3,4)</em></u> (3,5) (3,6)
(4,1) (4,2) <u><em>(4,3)</em></u> (4,4) (4,5) (4,6)
(5,1) <u><em>(5,2)</em></u> (5,3) (5,4) (5,5) <u><em>(5,6)</em></u>
<u><em>(6,1)</em></u> (6,2) (6,3) (6,4) <u><em>(6,5)</em></u> (6,6)
The sum of 7 or 11 is indicated in bold.
P(7 or 11) = 8/36 = 2/9