Twenty One (21) Customers Out of a Simple Random Sample

question 106

True/False

Twenty one (21) customers out of a simple random sample of 50 said that they came to the grocery store within one month after getting a card from the company. Based on the data, the marketing manager thinks that the number of total customers who would come in to the grocery store within one month is 4,200 because 10,000 cards were mailed.

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Definitions:

Separate-but-equal Doctrine

A judicial principle upheld by the U.S. Supreme Court in the Plessy v. Ferguson case (1896) that legalized racial segregation as long as the separate facilities were equal in quality.

Supreme Court

The highest judicial body in a country, typically tasked with interpreting the constitution and adjudicating on matters of national importance.

Poll Taxes

Poll Taxes are taxes levied as a fixed sum on every liable individual, historically used as a means of disenfranchising voters, particularly African Americans in the United States.

Enfranchised African Americans

African Americans who were granted the right to vote, especially referring to the period following the Civil War.