Answer
P is between 0.01 and 0.02.
Work Step by Step
The P-value is the interval of probabilities between which the value of the test-statistic lies in the table with degree of freedom=sample size-1=40-1=39, hence P is between 0.01 and 0.02.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 8 - Hypothesis Testing - 8-4 Testing a Claim about a Mean - Page 414: 8
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