# Math

posted by
**Sally** on
.

I have a bag of tiles 0-9. Without looking select a tile, record, return tile, select a second tile. What is the probability that exactly one tile will be a prime number?

posted by
**Sally** on
.

I have a bag of tiles 0-9. Without looking select a tile, record, return tile, select a second tile. What is the probability that exactly one tile will be a prime number?