If a sample of size 41 is selected, the value of A for the probability P(-A t A) = 0.90 is ____.
A)	1.303
B)	1.684
C)	2.021
D)	2.423
Answer:B
If a sample of size 41 is selected, the value of A for the probability P(-A t A) = 0.90 is ____.
A)	1.303 B)	1.684 C)	2.021 D)	2.423