4. An article about a study of the effects of aspirin on the riskof heart attack was in the front-page of the New York Times onJan 27, 1988 (see image on the left). You can check the full arti-cle here. The study involved more than 20,000 physicians; fromthose, 11,037 received aspirin, while 11,034 received a placebo(a fake drug with no effect). Among those who received aspirin,there were 119 heart attacks, whereas for the people on placebothere were 98 heart attacks.Treatment Heart Attack No Heart AttackAspirinPlacebo119109189810936What was the chance of having a heart attack in each of thegroups? Study Finds Benefit of TabletEvery Other. Day Is MuchGreater Than ExpectedВу HAROLD M.SCHMECK Jr.A major nationwide study shows thata single aspirin tablet every other daycan sharply reduce a man's risk ofheart auack and death from heart at-tack.The lifesaving effects were so dra-matic that the study was halted in mid-December so that the results could bereported as soon as possible to the par-|ticipants and to the medical professionin general.The magnitude of the beneficial ef-fect was far greater than expected, Dr.Charles H. Hennekens of Harvard,principal investigator in the research,said in a telephone interview. The riskof myocardial infarction, the technicalname for heart attack, was cut aimosiin half.'Extreme Beneficial EffectA special report said the resultsshowed "a statistically extreme benefi-ciał effect" from the use of aspirin. Thereport is to be published Thursday inThe New England Journal of Medicine.In recent years smaller studies havedemonstrated that a person who hashad one heart attack can reduce therisk of a second by taking aspirin, butthere had been no proof that the benefi-cial effect would extend to the genera!male population.Dr. Claude Lenfant, the director ofthe National Heart Lung and Blood In-stitute, said the findings were "ex-tremely important," but he said thegeneral public should not take the re-port as an indication that everyoneshould start taking aspirin.

here given contigency table in which people with treatment and placebo group from each of no of…

Answered: What was the chance of having a heart…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter7: Distance And Approximation

Section7.3: Least Squares Approximation

Problem 31EQ

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What was the chance of having a heart attack in each of the groups?