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A Cable TV Company Wants to Estimate the Percentage of Cable

question 49

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A cable TV company wants to estimate the percentage of cable boxes in use during an evening hour. An approximation is 20 percent. They want the estimate to be at the 90 percent confidence level and within 2 percent of the actual proportion. What sample size is needed?


Definitions:

Copy Of Structure

The process of creating an exact replica of a data structure in memory, duplicating its content and structure.

Emp Structure

Likely referring to a struct (a composite data type) named "Emp" used to store employee-related data.

Pointer To Structure

A type of pointer in C or C++ that holds the memory address of a structure, allowing access to its members.

IdNum Member

An attribute or variable within a class or struct in programming that holds or represents an identification number.

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