The WISC Scores (Similar to IQ Test Scores) of a Sample

Multiple Choice

The WISC scores (similar to IQ test scores) of a sample of n = 20 5^th graders will be used to create a 99% confidence interval for the mean WISC score of all 5^th graders. What is the correct t* multiplier for this interval?

A) 2.86
B) 3.55
C) 2.54
D) 2.85