There are 25 students in a sixth-grade class. On a cold winter day in February, many of the students had runny noses and sore throats. After examining each student, the school nurse constructed the following table:

Sore throatNo sore throatRunny nose54No runny nose610Find the probability that a randomly-selected student has a runny nose.

0.36

0.64

1.25

0.20