Answer:
1.06
Explanation:
The margin of error can be calculated using the following equation:
[tex]\text{margin of error = z}\frac{s}{\sqrt[]{n}}[/tex]
Where z is related to the 95% confidence interval. For 95%, z = 1.96
Then, replacing the values, we get:
[tex]\text{margin of error = 1.96}\cdot\frac{3}{\sqrt[]{31}}=1.06[/tex]
Therefore, the margin of error is 1.06
