Mathematics, 29.10.2020 14:00 dfgt5620
A new drug for arthritis has potential for increasing your company's revenue enormously. Then you receive the following information from a clinical trial. The primary group taking your drug is 45-54 year old men, and the heart attack rate is 16% in a sample of 250 men in this age group in your clinical trial.
A) Give a 95% percent confidence interval to for the proportion of men having heart attacks. (12 points)
i) Using the bootstrap percentile method(submit screenshot as well)
ii) using the formula for proportions
B) Does this confidence interval include the value 1.5% (annual heart attack rate for men in this age group?) (3 points)
C) Assuming the heart attack rate for men is larger than woman what is the maximum sample size needed to get a 99% confidence interval for the proportion having heart attacks within +/- 1% . (10 points)
Answers: 1
Mathematics, 20.06.2019 18:04
George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.
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Mathematics, 21.06.2019 16:50
The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m
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Mathematics, 21.06.2019 18:00
Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10
Answers: 1
A new drug for arthritis has potential for increasing your company's revenue enormously. Then you re...
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