A national study found that treating people appropriately for high blood pressure reduced their overall mortality by 20%. Treating people adequately for hypertension has been diffcult because it is estimated that 50% of hypertensives do not know they have high blood pressure, 50% of those who do know are inadequately treated by their physicians, and 50% who are appropriately treated fail to follow this treatment by taking the right number of pills. Answer the following questions ( please answer all the parts 1,2 and 3): 1) What is the probability that among 10 true hypertensives at least 50% are being treated appropriately and are complying with this treatment? 2) What is the probability that at least 7 of the 10 hypertensives know they have high blood pressure? 3) If the preceding 50% rates were each reduced to 40% by a massive education program, then what effect would this change have on the overall mortality rate among true hypertensives; that is, would the mortality rate decrease and, if so, what percentage of deaths among hypertensives could be prevented by the education program?
A national study found that treating people appropriately for
high blood pressure reduced their overall mortality by 20%.
Treating people adequately for hypertension has been diffcult because it is estimated that 50% of hypertensives do
not know they have high blood pressure, 50% of those who
do know are inadequately treated by their physicians, and
50% who are appropriately treated fail to follow this treatment by taking the right number of pills.
Answer the following questions ( please answer all the parts 1,2 and 3):
1) What is the
complying with this treatment?
2) What is the probability that at least 7 of the 10 hypertensives know they have high blood pressure?
3) If the preceding 50% rates were each reduced to
40% by a massive education program, then what effect
would this change have on the overall mortality rate among
true hypertensives; that is, would the mortality rate decrease
and, if so, what percentage of deaths among hypertensives
could be prevented by the education program?
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