The Length of a Cat's Tail Is Roughly Normally Distributed

question 142

Multiple Choice

The length of a cat's tail is roughly normally distributed with a mean of 5" and a standard deviation
Of 2". The probability of having a cat with a 3.5" tail or shorter is…

• A) 77.3%
• B) 75%
• C) 25%
• D) none of these
• E) 22.7%

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Definitions:

Seed Coat

The outer protective layer of a seed that shields the embryonic plant from damage and disease.

Protective Coating

A layer or cover applied to objects or materials to shield them from harm, such as corrosion, weathering, or physical damage.

Embryo

An early developmental stage of a multicellular organism following fertilization, during which rapid cell division and growth occur.

Sepals

The outer parts of the flower, typically green and leaf-like, that protect the developing bud.