A Sample of Size 25 Is Selected at Random from a Finite

question 45

Multiple Choice

A sample of size 25 is selected at random from a finite population.If the finite population correction factor is 0.63,then the population size is:

• A)25
• B)66
• C)41
• D)None of these choices.

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Definitions:

Stratospheric Ozone

A layer of ozone molecules located in the Earth's stratosphere, protecting life by absorbing most of the sun's harmful ultraviolet radiation.

UVB

Ultraviolet B light, a component of sunlight with wavelengths between 280-315 nm, known for its role in vitamin D synthesis and skin tanning.

CFCs

Chlorofluorocarbons, compounds that were widely used as refrigerants and aerosol propellants but are harmful to the ozone layer.

Sulfur Oxides

Compounds formed from the combination of sulfur and oxygen, often produced by burning fossil fuels, and are significant contributors to pollution and acid rain.