Using a P-Value with a t-Test In Exercises 27–30, (a) identify the claim and state H0 and Ha, (b) use technology to find the P-value, (c) decide whether to reject or fail to reject the null hypothesis, and (d) interpret the decision in the context of the original claim. Assume the population is
30. Faculty Classroom Hours The dean of a university estimates that the
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Elementary Statistics: Picturing the World (6th Edition)
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