Several factors are involved in the creation of a confidenceinterval. Among them are the sample​ size, the level of​confidence, and the margin of error. Which statements are​true?
Select all true statements below.
A.
For a certain confidence​ level, you can get a smaller margin oferror by selecting a bigger sample.
B.
For a given sample​ size, reducing the margin of error will meanlower confidence.
C.
For a given confidence​ level, a sample 9 times as large willmake a margin of error one third as big.
D.
For a fixed margin of​ error, smaller samples will mean lowerconfidence.
E.
None of these statements are true.
