Probability Part 2

Atleast two digits are odd=Exactly 2 digits odd+exactly 3 digits odd
For exactly three digits are odd =5×5×5=125 For exactly two digits odd :
If 0 is used then no of 3 digit numbers with 2 odd digits =2×5×5=50
If 0 is not used then no of 3 digit numbers with 2 odd digits
=‌3C1×4×5×5=300
Required Probability =‌

125+50+300

900

=‌

475

900

=‌

19

36