Use the one-proportion z-interval procedure to find the required confidence interval. Be sure to check the conditions for using that procedure.
From fall 1998 through mid 1999, Malyaysia was the site of an encephalitis outbreak caused by the Nipah Virus. Neurologists from The University of Malaysia found that, among 94 patients infected with the Nipah virus, 30 died from encephalitis.
(a) Find a 90% confidence interval for the percentage of Malaysians infected with the Nipah virus who will die from encephalitis.
(b) interpret your answer in part a.