Save ons One sample proportion confidence interval: Outcomes in : Gifted? Success : y ph Help 95% confidence interval results: Variable Count Total Sample Prop. Std. Err. L. Limit U. Limit 16 Gifted? 20 500 0.04 0.0087635609 0.022823736 0.057176264 null hypothesis: The proportion of all people that are considered having gifted natural intelligence is equal to 6%. Alternative hypothesis: The proportion of all people that are considered having gifted natural intelligence is less than 6%