Enter confident interval information:

Enter N Enter x (Number Sampled that match criteria) Enter Confidence Percentage

How does the P-Hat Confidence Interval Calculator work?
Free P-Hat Confidence Interval Calculator - Given a large sized distribution, and a success amount for a certain criteria x, and a confidence percentage, this will calculate the confidence interval for that criteria.
This calculator has 3 inputs.

What 4 formulas are used for the P-Hat Confidence Interval Calculator?

p^ = x/n
q = 1 - p^
α = 1 - Confidence%
p^ - zα/2σp^ < p < p^ + zα/2σp^

For more math formulas, check out our Formula Dossier
What 3 concepts are covered in the P-Hat Confidence Interval Calculator?
confidence interval
a range of values so defined that there is a specified probability that the value of a parameter lies within it.
p-hat confidence interval