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Suppose you calculate a confidence interval for a population proportion as 0.544 < p < 0.624 If the above interval was for an 80% confidence

Suppose you calculate a confidence interval for a population proportion as 0.544 < p < 0.624

If the above interval was for an 80% confidence level, what do you think would happen to the interval if we changed that to a 90% confidence level.

Finally, , what is the purpose of confidence intervals; in other words, why would someone want to calculate a confidence interval?

provide 2 different answers for each question and label them

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