A Sample of Size 50 Will Be Drawn from a Population

question 111

Multiple Choice

A sample of size 50 will be drawn from a population with mean 73 and standard deviation 8. Find the 19th percentile of $\bar { x }$

• A) 73.8
• B) 75.8
• C) 72.0
• D) 75.7

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Definitions:

Catalyzed

A process in which the rate of a chemical reaction is increased by the presence of a catalyst, which remains unchanged by the reaction.

Heterogeneously Catalyzed

A reaction process aided by a catalyst that exists in a different phase than the reactants, usually solids catalyzing reactions in liquids or gases.

Solid Catalyst

A solid catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process, and it maintains its solid physical state during the reaction.

Reactants

Starting materials in a chemical reaction, which are expended in the creation of the final substances.