"Channel One" is an educational television network for which participating secondary schools are equipped with TV sets in every classroom. It has been found that $40$% of secondary schools subscribe to Channel One, where of these subscribers $15$% never use Channel One while $15$% claim to use it more than 5 times per week.

Find the probability that a randomly selected seconday school subscribes to Channel One and uses it more than 5 times per week.

answer: