Answer:
I don't know sorry. Hope it's help you
Answer:
33.4%= 33.4 ÷100×9000= 3006.0
1st character = 26 possibilities ( 26 letters in the alphabet)
2nd character = 26 possibilities
3rd character = 26 possibilities
4th character = 10 ( 10 special characters)
26 x 26 x 26 x 10 = 175,760 combinations
He would be able to build 9 houses.