Concept explainers
Explain whether the conditions to construct the confidence interval is satisfied or not.
Answer to Problem 30E
All three conditions for confidence interval is not satisfied.
Explanation of Solution
Given Information:
Number of success = 9
To calculate a confidence interval three conditions should be satisfied. The conditions are Random, Independent and Normal.
The condition of random is unknown in the description. Thus, random is not satisfied.
Since the
The survey results the number of success is 9 is less than 10 thus condition of normal is not satisfied.
Hence, all three conditions for confidence interval is not satisfied.
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