Bilingual Doctors
A survey shows that in one year, the average number of bilingual doctors in a hospital was 42.
Assume that the standard deviation is 12 and the number of bilingual doctors in a hospital is normally distributed. Include an appropriately labeled and shaded Normal curve for each part.
a. What percentage of hospitals have between 40 and 45 bilingual doctors?
b. What percentage of hospitals have between 45 and 50 bilingual doctors?