Answer:
0.04 or 4%
Step-by-step explanation:
point estimate of proportion:
(0.6+0.68)/2
1.28/2
0.64
Margin of error:
0.68 - 0.64 = 0.04
0.04×100 = 4%
That is, you'd expect of the rolls to be 1, of the rolls to be 2, of the rolls to be 3, and so on.
