Provide an Appropriate Response

Multiple Choice

Provide an appropriate response.
-Suppose that you wish to obtain a confidence interval for a population mean. Under the conditions described below, should you use the z-interval procedure, the t-interval procedure, or neither?
- The population standard deviation is unknown.
- The population is normally distributed.
- The sample size is small.

A) z-interval procedure
B) t-interval procedure
C) Neither