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What is If a 95% confidence Interval for prevalence of cancer smokers aged > 65 years is 56% to 76%, the chance that the prevalance could be less than 56% is ? and explain in detail?
Ans. is 'c' i.e., 2.5% In this questions: 56 to 76 confidence interval covers 95% (2SD) of values. That means 5% of values will fall outside the range of 56-76 --4 2.5% values will be below 56 and 2.5% values will be above 76.