AnswersProbability and Statistics with Applications Honors Sem-2-FL-1210300 2024-2025Unit Test — Unit testQuestion 9
9
QuizMultiple Choice
Unit Test — Unit test
Question 9 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)
A researcher is 95% confident that the interval from 2.8 hours to 6.5 hours captures the true mean amount of time it takes for 1 square foot of fresh paint to dry.Is there evidence that the true mean number of hours for 1 square foot of this type of paint to dry is greater than 5?
Answer
A
No. There is not evidence for the population mean to be greater than 5, because 5 is within the 95% confidence interval.B
No. There is not evidence for the population mean to be greater than 5, because there are values less than 5 within the 95% confidence interval.C
Yes, there is evidence for the population mean to be greater than 5, because 5 is within the 95% confidence interval.D
Yes, there is evidence for the population mean to be greater than 5, because 5 is closer to the upper bound of the 95% confidence interval than the lower bound.