Mary O.

asked • 09/06/23

Interval Confidence Intervals

Hi, I am getting stuck on the steps to find the correct result for an Interval Confidence Interval:


A random sample of 115 observations results in 46 successes.

Construct the 90% confidence interval for the population proportion of successes.


It would really help to see the break down of steps, clearly showing each step, down to how to find the Z Score,

1 Expert Answer

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Reginald J. answered • 09/06/23

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