If the P value is set at 0.05, what is the confidence level?

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Multiple Choice

If the P value is set at 0.05, what is the confidence level?

Explanation:
The idea here is that the confidence level is the complement of the significance (P-value) threshold. When you set the P value at 0.05, you’re accepting a 5% chance of a false positive. The confidence level reflects how sure you want to be about your estimate, and it is calculated as 1 minus the significance level. So 1 − 0.05 equals 0.95, which is 95% confidence. The other numbers would correspond to different thresholds or levels of confidence, but 0.95 is the standard 95% confidence level associated with a 0.05 significance level.

The idea here is that the confidence level is the complement of the significance (P-value) threshold. When you set the P value at 0.05, you’re accepting a 5% chance of a false positive. The confidence level reflects how sure you want to be about your estimate, and it is calculated as 1 minus the significance level. So 1 − 0.05 equals 0.95, which is 95% confidence. The other numbers would correspond to different thresholds or levels of confidence, but 0.95 is the standard 95% confidence level associated with a 0.05 significance level.

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