Question: Please help with the below - IMPORTANT TO NOTE: this is an either or probability question - not and A study has been done to

Please help with the below - IMPORTANT TO NOTE: this is an either or probability question - not and

A study has been done to determine whether or not a certain drug leads to an improvement in symptoms for patients with Covid19. 800 patients were administered the new drug while 400 patients were administered a placebo' They were then asked if there was an improvement in their symptoms after 48 hours The results are shown in the following table. Symptoms improved Total One patient is selected at random. What is the probability that the patient was either administered the drug or had no improvement in their symptoms ? 0 3-019 O I\"-0.74 0 c-o_90 O d-o_47

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