Question

Hydroxychloroquine is being used to treat Covid-19 victims. Unfortunately, however, there are side effects. In clinical trials, 67 out of 111 (about 60%) patients taking hydroxychloroquine complained of blurry vision. Suppose it is known that 50% of patients taking alternative treatments complain of this vision symptom. Since 67/111 is higher than 50%, Lynn wonders if hydroxychloroquine is truly associated with increased retinal damage, or if this sample data value is just a normal occurrence.

(A) Perform a hypothesis test for this question – that is, is there significant evidence at the ἀ=0.05 level that more than 50% of all patients nationally taking hydroxychloroquine have blurry vision as a side effect? (Hint: set up your hypotheses, draw a shaded-in graph, do your calculations, and then make a conclusion!)

(B) If another study – still with 111 subjects, but all different people – were conducted, would the same sample proportion of patients experience this problem? Why or why not?

Answer 1

Please go through the answer. Thanks