An efficiency expert has calculated that about 9.5% of the articles produced in a manufacturing plant are defective. This is equivalent to expressing the defective articles as

a. 9 out of 15
b. 9 out of 50
c. 10 out of 95
d. 19 out of 100
e. 19 out of 200

please answer and explain

my answer is c, but i am not sure 9.5/100=95/10