Select from the drop-down options the correct distribution to fill in the following statement correctly. To create a confidence interval estimate for the population mean when we do not know the...

Select from the drop-down options the correct distribution to fill in the following statement correctly.

To create a confidence interval estimate for the population mean when we do not know the population standard deviation we use the  ______________ distribution.

a) Normal Z Distribution

b) Student T Distribution

c) Chi-Square Distribution