Question: Answer question with explanation Confidence Intervals for means 4) As part of an Environmental Studies 100 class project, students measured the circumferences of a random

Answer question with explanation

Confidence Intervals for means 4) As part of an Environmental Studies 100 class project, students measured the circumferences of a random sample of 45 Blue Spruce trees near Brainard Lake, Colorado. The sample mean circumference was x = 29.8 inches. The o is known to be 7.2 inches. Find a 95% confidence interval for the population mean circumference of all Blue Spruce trees near this lake. Provide a confidence statement at the end of this

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