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(a) If a group of 230 IDDM 30- to 39-year-old men is followed, what is the probability that exactly 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.2570 (b) If a group of 230 IDDM 30- to 39-year-old women is followed, what is the probability that at least 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.5153 (c) What is the probability that a 30-year-old IDDM male patient will go blind over the next 10 years? (Round your answer to four decimal places.) 0.0680 X incidence of blindnoce to be 100 among 30 yeDE donconta

(a) If a group of 230 IDDM 30- to 39-year-old men is followed, what is the probability that exactly 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.2570 (b) If a group of 230 IDDM 30- to 39-year-old women is followed, what is the probability that at least 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.5153 (c) What is the probability that a 30-year-old IDDM male patient will go blind over the next 10 years? (Round your answer to four decimal places.) 0.0680 X incidence of blindnoce to be 100 among 30 yeDE donconta

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Ophthalmology, Diabetes Suppose a study of incidence rates of blindness among insulin-dependent diabetics reported that the annual incidence rate of blindness per year was 0.68% among 30- to 39-year-old male insulin-dependent diabetics (IDDM) and 0.75% among 30- to 39-year-old female insulin-dependent diabetics. Please explain. Show math Thank you!! (a) If a group of 230 IDDM 30- to 39-year-old men is followed, what is the probability that exactly 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.2570 (b) If a group of 230 IDDM 30- to 39-year-old women is followed, what is the probability that at least 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.5153 (c) What is the probability that a 30-year-old IDDM male patient will go blind over the next 10 years? (Round your answer to four decimal places.) 0.0680 X (d) After how many years of follow-up would we expect the cumulative incidence of blindness to be 10% among 30-year-old IDDM women, if the incidence rate remains constant over time? (Round your answer to one decimal place.) 13.3 X years (e) What does cumulative incidence mean, in words, in the context of the problem in part (d)? The cumulative incidence discovered in part (d) means that after 13.3 become blind. X years, there is a 10% probability that a woman with IDDM will
Transcribed Image Text:Ophthalmology, Diabetes Suppose a study of incidence rates of blindness among insulin-dependent diabetics reported that the annual incidence rate of blindness per year was 0.68% among 30- to 39-year-old male insulin-dependent diabetics (IDDM) and 0.75% among 30- to 39-year-old female insulin-dependent diabetics. Please explain. Show math Thank you!! (a) If a group of 230 IDDM 30- to 39-year-old men is followed, what is the probability that exactly 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.2570 (b) If a group of 230 IDDM 30- to 39-year-old women is followed, what is the probability that at least 2 will go blind over a 1-year period? (Round your answer to four decimal places.) 0.5153 (c) What is the probability that a 30-year-old IDDM male patient will go blind over the next 10 years? (Round your answer to four decimal places.) 0.0680 X (d) After how many years of follow-up would we expect the cumulative incidence of blindness to be 10% among 30-year-old IDDM women, if the incidence rate remains constant over time? (Round your answer to one decimal place.) 13.3 X years (e) What does cumulative incidence mean, in words, in the context of the problem in part (d)? The cumulative incidence discovered in part (d) means that after 13.3 become blind. X years, there is a 10% probability that a woman with IDDM will
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