A Population Proportion Is to Be Estimated $E = 0.012$ A)6944
B)3472
C)13,888
D)83

question 82

Multiple Choice

A population proportion is to be estimated. Estimate the minimum sample size needed to achieve the specified margin of error with a 95% degree of confidence.
- $E = 0.012$

• A)6944
• B)3472
• C)13,888
• D)83

Understand the properties of different refrigerants and the implications of using incorrect types.

Comprehend the basics of thermodynamics as applied to refrigeration and heating processes.

Identify the operational characteristics and requirements of refrigerant types R-12 and R-134a.

Recognize the function and components of an A/C system, including the role of the compressor and condenser.