Get Answer: Wish Investigate Effect Question Guide

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Original Question

You wish to investigate the effect of arsenic consumption on cardiovascular health in a stable adult population. You randomly sample 1000 individuals over the age of 50 in your city to gather data about their current cardiovascular health and urinary arsenic levels. Upon testing, the results are as follows: 400 had levels of urinary arsenic commensurate with significant arsenic exposure. Of those exposed, 250 had at least one current cardiovascular problem as diagnosed by a physician. Of those with urinary arsenic levels not commensurate with significant arsenic exposure, 200 had at least one current cardiovascular problem as diagnosed by a physicianWhat are the null and alternative hypotheses of this investigation? Choose two from below. There is no difference between those exposed to arsenic and those who were not for cardiovascular problems There may be a difference between those exposed to arsenic and those not exposed in number of cardiovascular problems There is no difference between those exposed to arsenic and those exposed to lead in relation to number of cardiovascular problems There is a difference between those exposed to arsenic and those not exposed to arsenic regarding cardiovascular problems

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