Question:Confidence intervals are designed to predict where the
population mean will fall. We use the Z...
Question
Confidence intervals are designed to predict where the
population mean will fall. We use the Z...
Confidence intervals are designed to predict where the
population mean will fall. We use the Z distribution when we know
the population standard deviation, and we use the T distribution
when we have or can find the sample standard deviation. Explain why
two different distributions are needed for this process?