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Probability and Statistical Inference | 9th Edition | ISBN: 9780321923271 | Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
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Assume that IQ scores for a certain population are approximately N(, 100). To test H0: =

Chapter 8, Problem 8.1-1

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Assume that IQ scores for a certain population are approximately N(, 100). To test H0: = 110 against the one-sided alternative hypothesis H1: > 110, we take a random sample of size n = 16 from this population and observe x = 113.5. (a) Do we accept or reject H0 at the 5% significance level? (b) Do we accept or reject H0 at the 10% significance level? (c) What is the p-value of this test?

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QUESTION:

Assume that IQ scores for a certain population are approximately N(, 100). To test H0: = 110 against the one-sided alternative hypothesis H1: > 110, we take a random sample of size n = 16 from this population and observe x = 113.5. (a) Do we accept or reject H0 at the 5% significance level? (b) Do we accept or reject H0 at the 10% significance level? (c) What is the p-value of this test?

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