To Estimate the Mean of a Normal Population Whose Standard

question 132

Multiple Choice

To estimate the mean of a normal population whose standard deviation is 6,with a bound on the error of estimation equal to 1.2 and confidence level 99% requires a sample size of at least:

• A)166
• B)167
• C)13
• D)None of these choices.

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Definitions:

Agricultural Revolution

A period of significant agricultural development marked by the introduction of new farming techniques and crops, leading to increased food production and population growth.

Natural World

The aspects of the environment that exist independently of human activities.

Soil Fertility

the ability of soil to support plant growth by providing necessary nutrients, water, and air.

Golden Age

A period of great achievement in a society's history, marked by prosperity, cultural richness, and significant advancements.