Explain the Role of Margin of Error in Constructing a Confidence

question 3

Short Answer

Explain the Role of Margin of Error in Constructing a Confidence Interval
-A certain confidence in interval is 8.15 < < 9.45. Find the sample mean x and the margin of error E.

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Definitions:

Atoms

The basic units of matter, consisting of a nucleus surrounded by electrons.

Molecules

Molecules are groups of two or more atoms held together by chemical bonds, forming the smallest identifiable unit into which a pure substance can be divided while retaining its composition and chemical properties.

Ions

Atoms or molecules with an electrical charge due to the loss or gain of one or more electrons.

Molecule

A molecule is the smallest unit of a chemical compound that retains its chemical properties, consisting of two or more atoms bonded together.