Solve the Problem $\sigma$ = 24 Years, Find the Margin of Error in Estimating

question 44

Multiple Choice

Solve the problem.
-A sample of 35 washing machines yields a mean replacement time of 9.0 years. Assuming that $\sigma$ = 2.4 years, find the margin of error in estimating $\mu$ at the 90% level of confidence.

• A)0.7 years
• B)0.5 years
• C)2.5 years
• D)0.1 years

Describe various agricultural techniques to increase crop yields, including crossbreeding, genetic engineering, and polycultures.

Recognize the features and objectives of the second green revolution.

Identify agroecology and differentiate it from organic farming.

Explain fish ranching and assess its economic viability.

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Definitions:

Physiological Reactions

The body's automatic responses to internal or external stimuli, often involving changes in heart rate, respiration, perspiration, and other bodily functions.

Basic Emotion

Fundamental emotions that are universal across human cultures, such as happiness, sadness, fear, disgust, surprise, and anger, believed to be biologically innate.

Physiological Response

The body's automatic reactions to stimuli, influenced by both genetic and environmental factors.

Stimulation

The action of encouraging something to function, increase, or develop, usually through external input or factors.