JANA279
31.05.2020 •
Mathematics
Use the given confidence level and sample data to find a confidence interval for the population standard deviation. Assume that a simple random sample has been selected from a population that has a normal distribution. Salaries of college professors who took a philosophy course in college.
90% confidence; n=41,x=$66,500, d=$17,272
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Ответ:
Its C.
Step-by-step explanation:
It was on USA Test Prep.