A sample of 5 clusters is to be taken from a population with N = 30 clusters and M = 420 clusters in the population. The values of Mi and ai are shown below. 
a.Determine the point estimator of the population proportion.
b.Determine an approximate 95% confidence interval estimate for the population proportion.
Definitions:
Elevated Blood Pressure
A condition in which the force of the blood against the artery walls is higher than normal, potentially leading to heart disease.
Immune System
A complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders, such as viruses and bacteria.
Social Support
Assistance or comfort provided by others, often crucial for mental health and overcoming life's challenges.
Stressful Situation
A scenario or event that causes significant anxiety, tension, or distress to an individual.
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