Use the Given Information to Find the Minimum Sample Size $\mu$

question 145

Multiple Choice

Use the given information to find the minimum sample size required to estimate an unknown population mean $\mu$
-Margin of error: $126, confidence level: 99%, $\sigma = \$ 512$

• A) 63
• B) 56
• C) 45
• D) 110

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Definitions:

Concert Ticket

A voucher that grants the holder access to a live music performance, usually purchased before the event.

Viola

A stringed instrument that is slightly larger than a violin and plays notes that are deeper and lower in pitch.

Mere-exposure Effect

The phenomenon by which people develop a preference for things simply because they are familiar with them.

Likelihood

The probability or chance that a particular event will occur, often used in statistical and probability contexts.