A sample of 4 clusters is to be taken from a population with N = 40 clusters and M = 600 clusters in the population. The values of Mi and ai are given below. 
a.Determine the point estimator of the population proportion.
b.Determine an approximate 95% confidence interval estimate for the population proportion.
Definitions:
Surface-Area-To-Volume Ratio
The proportion between the surface area of a body to its volume, affecting rates of heat loss, material exchange, and metabolic rates.
Absorption
The process by which substances are taken up and assimilated into the body of an organism.
Gas Exchange
The biological process by which gases (such as oxygen and carbon dioxide) are transferred between living organisms and the environment, typically occurring in the lungs in humans and across the surfaces of leaves in plants.
Endosymbiosis
A theory explaining the origin of eukaryotic cells from prokaryotic organisms through a symbiotic relationship.
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