Question

Question #e7b06

Answer 1

There are 89 numbers to choose from is we don't include 10 and 100.

Explanation:

Multiples of 9 in this range are:
`18-27-36-45-54-63-72-81-90-99`
for a total of 10.

So the probability of choosing a multiple of 9 are:

`P=10/89~~0.112=11.2%`