Answer
From the properties of the t distribution, we know that the t distribution is symmetric about its mean (which is 0). Hence, the area to the left of $t = -1.56$ is also $0.0681$.
Work Step by Step
Given above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 9 - Review - Review Exercises - Page 471: 6
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