What are the upper and lower limits of a 95% confidence interval given the following estimation formulas?

Question:

What are the upper and lower limits of a 95% confidence interval given the following estimation formulas?
(a) 12 ± 2.3
(b) 94 ± (2.228) 24√64
(c) 20/5 ± (1.96)(0.75)
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Question Posted: