The Manager of a Grocery Store Wants to Determine What

question 8

Short Answer

The manager of a grocery store wants to determine what proportion of people who enter his store are his regular customers. What size sample should he take so that at 97% confidence the margin of error will not be more than 0.1?

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Definitions:

Personal Information

Detailed data or specifics about an individual, including names, addresses, phone numbers, and often sensitive data like social security numbers.

Speech Recognition

The process and technology by which spoken language is converted into text by computers, enabling user interaction and commands through voice.

Voice Recognition

A technology that enables a device to identify and respond to the sounds and words produced by a speaker.

Surge Protector

A device designed to protect electronic devices from voltage spikes by blocking excess voltage.