When the Population Is Normally Distributed,population Standard Deviation $\sigma$ Is Unknown,and the Sample Size Is N = 15;the Confidence

Multiple Choice

When the population is normally distributed,population standard deviation $\sigma$ is unknown,and the sample size is n = 15;the confidence interval for the population mean µ is based on:

A) The z (normal) distribution
B) The t distribution
C) The Binomial distribution
D) The Poisson distribution
E) None of the above