Help! picture added Find the third side in simplest radical form:
8
V34

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

3382-299=3383- ? fill in the blank?

Asap! i'm not good math and i'm lost.