I believe it’s
D.51is it B ??
let's set up an equation:
x-4=9
solve normally:
x=13
<span>2.8 is the answer for that question</span>
Answer with explanation:
A x% confidence interval interprets the percentage of certainty that a person can believe that the true population parameter.
It is also represented as Point estimate ± Margin of error
Confidence level is proportional to the Margin of error.
- As confidence level increases the error bound increases that makes the confidence interval broader.
- As confidence level decreases the error bound decreases , making the confidence interval narrower.
