A Sample from a Population with μ = 40 and σ

question 8

Multiple Choice

A sample from a population with μ = 40 and σ = 10 has a mean of M = 44.If the sample mean corresponds to a z = 2.00,then how many scores are in the sample?​

• A)​n = 100
• B)​n = 25
• C)​n = 5
• D)​n = 4

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Definitions:

Skeletal Adaptations

Changes in the skeletal structure that occur over time to help an organism better survive in its environment.

Four-Legged Walkers

Animals that use all four limbs to support their movement across a substrate, showcasing a quadrupedal mode of locomotion.

Land Dwellers

Organisms that live predominantly or entirely on land as opposed to in the water or air.

Notochord

A flexible rod-like structure in the embryos of all chordates, providing skeletal support and defining the primitive axis of the body.