A Factory Has 20 Assembly Lines Producing a Popular Toy

question 4

Multiple Choice

A factory has 20 assembly lines producing a popular toy. To inspect a representative sample of 100
Toys, quality control staff randomly selected 5 toys from each line's output. Was this a simple
Random sample?

• A) Yes, because each toy produced had an equal chance to be selected.
• B) No, because toys do not come off the assembly line at random.
• C) Yes, because a stratified sample is a type of simple random sample.
• D) No, because not all combinations of 100 toys could have been chosen.
• E) Yes, because the toys were selected at random.

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Definitions:

Total Budget

The overall amount of money allocated for a specific purpose or period.

Large Part

A phrase indicating a significant portion or majority of a whole.

Elastic Demand

A situation where the quantity demanded of a product changes significantly in response to a change in price.

Substitutes

Products or services that can be used in place of each other; an increase in the price of one leads to an increase in demand for the other.