2 A total of 550 new cases of myocarditis were reported in the land of Xanadu between January 1st and March 31st 2022. Of these cases, 300 had received an emergency vaccine against a novel virus that caused the pandemic and 250 did not. It was estimated that 35 million people (out of the eligible 21+ years old 210 million in that country) were vaccinated. Assuming that the numbers of myocarditis cases and persons vaccinated are correct, the estimated relative risk for vaccinated as compared to non-vaccinated individuals is: a)1 b)43 c)4 d)8 e)12

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