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Math 2170 Activity 5 Date: Student Name: Score Instruction: Answer each question. You may use technology/StatCrunch. Make sure to show work and provide relevant StatCrunch
Math 2170 Activity 5 Date: Student Name: Score Instruction: Answer each question. You may use technology/StatCrunch. Make sure to show work and provide relevant StatCrunch outputs to support your answer where needed. Question 1: In a survey of 3005 adults aged 57 through 85 years, it was found that 81.7% of them used at least one prescription medication (based on data from "Use of Prescription and Over-the-Counter Medications and Dietary Supplements Among Older Adults in the United States," by Qato et al., journal of the American Medical Association, Vol. 300, No. 24). a. How many of the 3005 subjects used at least one prescription medication? Construct a 90% confidence interval estimate of the percentage of adults aged 57 through 85 years who use at least one prescription medication. C. What do the results tell us about the proportion of college students who use at least one prescription medication? Question 2: A simple random sample of 106 body temperatures having a mean of 98.20 F and a standard deviation of 0.62 F is drawn from a population Construct a 95% confidence interval estimate of the mean body temperature for the entire population. Round to 2 decimal places as needed. What does the result in (a) suggest about the common belief that 98.6F is the mean body temperature
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