Problema Solution
A survey of 1000 Americans showed that 37% of them had a valid passport. a) What percent of Americans did not have a valid passport? b) What is the number of Americans that were found to have a valid passport?
Answer provided by our tutors
a) 100 - 37 = 63% of Americans did not have a valid passport
b) 0.37*1000 = 370 Americans were found to have a valid passport