Suppose That the National Mean Weight for a Three-Year-Old Girl

question 23

Multiple Choice

Suppose that the national mean weight for a three-year-old girl is 30 pounds with a standard deviation of 5 pounds.A pediatric office takes a random sample of 100 three-year-old girls,records their weights,and finds the mean.Describe the sampling distribution model of this mean.

• A)Binom(30,5)
• B)N(30,0.5)
• C)N(30,0.05)
• D)N(30,5)
• E)There is not enough information to describe the distribution.

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Definitions:

Solute

Dissolved substance in a solution.

Oxidator

A chemical agent or substance that is capable of accepting electrons in a redox reaction, often leading to the oxidation of another substance.

Reducing Agent

A substance that donates electrons to another chemical species in a reaction, thereby reducing that species and oxidizing itself.

Respiration Rate

The number of breaths taken per minute, which is a vital sign of critical importance for assessing the general respiratory health of an individual.