Author Question: The t distribution A) approaches the normal distribution as the sample size increases. B) ... (Read 120 times)

cabate · **on:** Jun 24, 2018

The t distribution

A) approaches the normal distribution as the sample size increases.
B) assumes the population is normally distributed.
C) has more area in the tails than does the normal distribution.
D) All of the above.

Question 2

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes. The probability is ________ that a product is assembled in between 15 and 21 minutes.

Fill in the blank(s) with correct word