An epidemiologist who is working in Capricorn Department of Health investigated the occurrence of COVID-19 disease during winter season and found 275 COVID-19 cases out of 10,000 residents of the district. Based on these collected data, he would like to proof the claim that "during winter season the proportion of patients with COVID-19 in Capricorn district is less than 3%". Using 5% level of significance, write and test the above claim, following a) wald test

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