A random sample of 60 elements was selected from a population of size 400.The sample proportion 
a.Estimate the standard error of the proportion.
b.Develop an approximate 95% confidence interval for the population proportion.
Definitions:
Online Surveys
Tools or platforms used to collect data, opinions, or feedback from respondents over the Internet for research, marketing, or educational purposes.
Benefits
Advantages or profits gained from something.
Self-Help Books
Publications intended to provide readers with advice and strategies for personal development and self-improvement.
Serious Problems
Issues or situations that have significant negative impacts on an individual's life or well-being and require urgent attention.
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