Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 8 - Hypothesis Testing - 8-4 Testing a Claim About a Mean - Beyond the Basics: 34

Answer

More likely to reject the null hypothesis.

Work Step by Step

By lookin at the table we can see that positive t-values are larger than positive z-values. Hence if using standard normal distribution and not the t-distribution, the confidence intervals will be narrower and hence we will be more likely to reject the null hypothesis.
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