When it is operating properly, a chemical plant has a mean daily production of at least
Chapter 6, Problem 7(choose chapter or problem)
When it is operating properly, a chemical plant has a mean daily production of at least 740 tons. The output is measured on a simple random sample of 60 days. The sample had a mean of 715 tons/day and a standard deviation of 24 tons/day. Let \(\mu\) represent the mean daily output of the plant. An engineer tests \(H_{0}: \mu \geq 740 \text { versus } H_{1}: \mu<740\)
a. Find the P-value.
b. Do you believe it is plausible that the plant is operating properly or are you convinced that the plant is not operating properly? Explain your reasoning.
Equation Transcription:
Text Transcription:
\mu
H_{0}: \mu \geq 740 versus H_1: \mu<740
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