Testing Population Proportion (normal approximation)
Sample size520
Sample Proportion0.012
Null hypothesis0.0068
Type I error (alpha)0.05
1-sided critical value0.0127278662587639
1-sided testDo not reject the Null Hypothesis
2-sided Confidence Interval
(sample proportion)
[ 0.00493651168591784 , 0.0190634883140822 ]
2-sided testDo not reject the Null Hypothesis


Testing Population Proportion (Agresti-Coull method)
Sample size520
Sample Proportion0.012
Null hypothesis0.0068
Type I error (alpha)0.05
Left 1-sided confidence interval[ 0.00808582762017565 , 1 ]
Right 1-sided confidence interval[ 0 , 0.0209659849046116 ]
2-sided Confidence Interval
(sample proportion)
[ 0.00766610758070781 , 0.0234911415179757 ]


Testing Population Proportion (Exact and Wilson method)
Sample size520
Sample Proportion0.012
Null hypothesis0.0068
Type I error (alpha)0.05
Left 1-sided confidence interval
(Exact method)
[ 0.00534340125793669 , 1 ]
Right 1-sided confidence interval
(Exact method)
[ 0 , 0.0232473625201441 ]
2-sided Confidence Interval
(Exact method)
[ 0.0045243329723074 , 0.0255713394822544 ]
Left 1-sided confidence interval
(Wilson method)
[ 0.00629503133121229 , 1 ]
Right 1-sided confidence interval
(Wilson method)
[ 0 , 0.022756781193575 ]
2-sided Confidence Interval
(Wilson method)
[ 0.00559115587998962 , 0.0255660932186939 ]