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Construct a confidence interval of the population
Chapter 5, Problem 15AYU(choose chapter or problem)
QUESTION:
Construct a confidence interval of the population proportion at the given level of confidence.
x = 30, n = 150, 90% confidence
Questions & Answers
QUESTION:
Construct a confidence interval of the population proportion at the given level of confidence.
x = 30, n = 150, 90% confidence
ANSWER:Answer :
Step 1:
Given values are
x = 30, n = 150, 90% confidence.
Here we need to construct a confidence interval of the population proportion at the given level of confidence.
The formula for confidence interval of the population proportion is
…….(1)
Where,p = population estimator
= sample estimator