Dr Smith sees all patients with diabetes or hypertension and

Dr. Smith sees all patients with diabetes or hypertension, and Dr. Bennett see the remaining patients. Over the past 2 years, records show that Dr. Bennett sees 55% of patients. Records also show that 20% of patients have diabetes and 40% of patients have hypertension. What percentage of hypertensive patients have diabetes?

Solution

Sol)

Percentage of patients=55%

20% of patients have diabetes and 40% of patients have hypertension

P(Both) =P(Diabetes) *P(Hypertension) =0.2*0.4 =0.08

percentage of hypertensive patients have diabetes =0.55*0.08 =0.044