If the Margin of Error in an Interval Estimate of $\bar { x } \pm 2.3$

question 107

Multiple Choice

If the margin of error in an interval estimate of ? is 4.6, the interval estimate equals _____.

• A) \(\bar { x } \pm 2.3\)
• B) \(\bar { x } \pm 4.6\)
• C) \(\bar { x } \pm 4.508\)
• D) \(\bar { x } \pm 6.9\)

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Definitions:

Fertilization Envelope

A protective layer that forms around the egg cell of some species immediately after fertilization, blocking additional sperm from entering the egg.

Plasma Membranes

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the passage of substances in and out.

Blastula

An early stage of embryonic development in animals, characterized by a hollow sphere of cells surrounding a fluid-filled cavity.

Zona Pellucida

A thick, transparent membrane surrounding the plasma membrane of mammalian oocytes and early embryos.