Suppose That Your Task Is to Estimate the Mean of a Normally

question 20

Short Answer

Suppose that your task is to estimate the mean of a normally distributed population to within 10 units with 95% confidence and that the population standard deviation is known to be 70.
What sample size should you use with a 99% confidence level?

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Definitions:

Statistics

The science of collecting, analyzing, interpreting, and presenting data.

Rounded Off

To complete or finish something in a satisfactory or polished manner.

Credibility

The quality of being trusted and believed in, often through the demonstration of expertise or reliability.

Visual Aids

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