Exam (elaborations)
OPRE 6301 Exam 2 Questions and Answers- A graded
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A race car driver tested his car for time from 0 to 60 mph, and in 20 tests obtained an average of 48.5 seconds with a standard deviation of 1.47 seconds. A 95% confidence interval for the 0 to 60 time is 45.2 seconds to 51.8 seconds. True False If all possible samples of size n are drawn from a normal population, the probability distribution of the sample mean is a normal distribution. True False A sample of size n is selected at random from an infinite population. As n increases, the standard error of the sample mean increases. True False From the information given here, determine the 95% Upper Confidence Limit estimate of the population mean. Report your answer to two decimal places
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Institution
Central Texas College
Course
OPRE 6301
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Written for
- Institution
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Central Texas College
- Course
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OPRE 6301
Document information
- Uploaded on
- September 25, 2023
- Number of pages
- 10
- Written in
- 2023/2024
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- Exam (elaborations)
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- Questions & answers
Subjects
- normal population
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opre 6301 exam 2 questions and answers
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