Prospective Cohort Study

The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up.

Full Data:


Sex-Specific Data:

Males
1. Assume that this cohort is a simple random sample from a broader population of interest. Model the number of disease positive individuals among all exposed individuals in the sample using the binomial distribution with probability of disease ; and model the number of disease positive individuals among the unexposed in the sample using a binomial distribution, with probability of disease . Estimate , the proportion of exposed individuals who are disease positive, and provide an exact 95% confidence interval.

Estimated Proportion:

unanswered

Confidence Interval:

Lower Bound:

unanswered

Upper Bound:

7 answers

Use these data to solve the above problem, it will become easier
Full data
D+ D- Total
E+ 30 270 300
E- 20 180 200
Total 50 450 500

Male
D+ D- Total
E+ 12 108 120
E- 8 72 80
Total 20 180 200

Female
D+ D- Total
E+ 18 162 180
E- 12 108 120
Total 30 270 300
1. 2.5
Please do not answer these questions, It is not a help. It is challenge for a new education system, I think this should be immediately stopped to cheer at least those who are working hard to learn
these numbers are wrong. did you change the numbers???

where are you getting this data???
please help, today is the last date to attempt for this
How do you find confidence interval for the first one(first part)?
i have first part. If u have a second, wy can exchange.
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