Answer
Yes, it is possible but highly unlikely as the confidence interval is between 71.5% and 78.5%. However, the true mean (< 70%) may not be captured in the interval, but this probability is very small.
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 - Section 9.1 - Assess Your Understanding - Applying the Concepts - Page 437: 28d
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