Consider a Normally Distributed Population with Unknown Standard Deviation $t _ { \alpha / 2 }$

Multiple Choice

Consider a normally distributed population with unknown standard deviation.When computing a confidence interval for the population mean,the values $t _ { \alpha / 2 }$
And $z _ { \alpha / 2 }$
Will be close in value when

A) the sample size is small.
B) the sample size is large.
C) the sample mean is small.
D) the sample mean is large.
E) the sample standard deviation is small.