which variables can be used to find the confidence interval? how to calculate confidence intervals how to find confidence interval on random variables how to calculate confidence interval from random quantities what is the confidence interval of a variable in terms of random variables? how to determine confidence interval how to compute a confidence intervals ci is based on a random quantity what is a confidence interval how do you calculate confidence intervals how to find the confidence intervals for a random quantity how to compute confidence intervals how to get confidence intervals what is a confidence interval what is the confidence interval for a random variable? how to calculate confidence interval what is a CI what is confidence interval in a random number? what is the confidence interval on a random variable what is the confidence interval