what is the confidence interval what is the definition of confidence interval which of the following is referred as a confidence interval? what is the definition of intervals definition of confidence interval in probability definition of confidence interval in statistics what is the meaning of confidence interval confidence interval definition math define confidence interval what is the definition of a confidence interval what is the definition of confidence interval why do we use the interval as confidence interval in our test? define confidence interval define confidence intervals what is the confidence interval definition for calculating a confidence interval confidence interval definition what is the confidence interval for variables confidence interval meaning confidence interval definition