The table above shows the specializations of North West Medical School graduates in 2005. Percentages have been rounded to the nearest whole number. One hundred and nineteen students graduated that year. Use this information to answer the following.
If the ratio of male to female students specializing in sports medicine is 2:1, how many female students does this represent?
Answer: A
Explanation: Fifteen percent of 119 students (119/100) * 15 = 18 specialized in sports medicine. If the ratio of male to female students is 2:1 then the actual numbers of students must be 10 male and 5 female.
If seven students changed their specialization from family practice to paediatrics, approximately what fraction of students would then be specializing in paediatrics?
Answer: D
Explanation: Thirteen percent of 119 students (119/100) * 13 = 15 specialized in paediatrics. If 7 students joined them then there would be 22 students studying it. This equates to 22/119 = 0.18 which is approximately 1/5.
What is the approximate ratio of students specializing in sports medicine, emergency medicine and family practice?
Explanation: The ratio of students specializing in each is (15:11:48) which approximates to 3:2:10.
One twelfth of the students who chose to specialize in family practice plan to work abroad. How many is this?
Answer: C
Explanation: Forty eight percent of 119 students (119/100) * 48 = 57 specialized in family practice. One twelfth of these equates to 57/12 = 5 who planned to work abroad.
How many students decided to specialize in immunology?
Answer: B
Explanation: Nine percent of 119 students decided to specialize in immunology. This equates to (119/100) * 9 = 11 students