Suppose a Sample of 60 Crates Has a Mean Weight

question 13

Multiple Choice

Suppose a sample of 60 crates has a mean weight of 12.1 kilograms and a standard deviation of 0.05 kilograms. If a crate has the weight of 12 kilograms, what is its corresponding z-score?

• A) 2.0
• B) -2.0
• C) 1.8
• D) -3.0
• E) -1.8

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Definitions:

Chromosomal Abnormality

A genetic disorder resulting from a change in the number or structure of chromosomes.

Infants

Very young children or babies, typically those under one year of age.

Sex Chromosome

The chromosome involved in determining the genetic sex of an organism, typically one of two kinds: X or Y in many species including humans.

Chromosomal Abnormality

A genetic condition that results from an alteration in the number or structural arrangement of chromosomes.