A medical test has 95% sensitivity and 90% specificity. If disease prevalence is 1%, the probability that a person with a positive test actually has the disease is approximately:
Explanation:
Because it uses fixed base period quantities, Laspeyres index does not account for substitution away from goods that have become relatively expensive.
Assertion (A): A good questionnaire should avoid leading questions. Reason (R): Leading questions suggest a particular answer and bias the response. Choose the correct option:
A.Both A and R are true, but R is not the correct explanation of A
B.Both A and R are true, and R is the correct explanation of A
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