Exam 3 X Home : Math170Fall22Johnson Human Anat Neurons Chapter X + C webwork2.wcu.edu webwork2/Math 170Fall22Johnson/quiz_mode/Exam_3/ TP # What is the P-value of the test? ote: You can earn partial credit on this problem. Remaining time: 42:01 (min:sec preview answers Problem 9. 1 point) Refer to the following scenario. An epidemiologist is worried about the prevalence of the flu in East Vancouver and the potential shortage of vaccines for the area. She will need to provide a recommendation for how to allocate the vaccines appropriately across the city. She takes a simple random sample of 336 people living in East Vancouver and finds that 33 have recently had the flu. Suppose that the epidemiologist wants to re-estimate the population proportion and wishes for her 95% confidence interval to have a margin of error no larger than 0.05. How large a sample should she take to achieve this? Please carry answers to at least six decimal places in intermediate steps. Sample size = preview answers Problem 10. (1 point) Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box. 1. r = - Dec 8 6:54 + 9 M hp OExam 3 X Home : Math170Fall22Johnson X # Human Anat Neurons Chapter X + webwork2.wcu.edu/webwork2/Math170Fall22Johnson/quiz_mode/Exam_3/ Sample size = Remaining time: 41 Problem 10. (1 point) Match the following sample correlation coefficients with the explanation of what that correlation coefficient means. Type the correct letter in each box. 1. r = 2. T = 3. 7 15 4. 7 .97 A. a weak negative relationship between x and y B. a perfect negative relationship between I and y C. no relationship between r andy D. a strong negative relationship between I and y Note: You can earn partial credit on this problem. preview answers Jump to Problem: [ 1 2 3 4 5 6 7 8 9 10 ] OM Dec 8 6:54 +