Suppose That People's Heights (In Centimeters) Are Normally Distributed, with a Mean

question 135

Multiple Choice

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 4. What is the variance for this experiment of measuring the height of a person?

• A) 8
• B) 6
• C) 30
• D) 16
• E) 50

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Definitions:

Post-mating, Prezygotic

Describes reproductive barriers that occur after mating but before the formation of a zygote, such as sperm-egg incompatibility.

Reproductive Isolating Barrier

Factors that prevent different species from interbreeding, thus maintaining species boundaries.

Eggs Get Fertilized

The process by which sperm and egg unite to form a zygote, initiating the development of a new organism.

Cryptic Species

Cryptic species are lineages that historically have been treated as one species because they are morphologically similar but that are later revealed to be genetically distinct.