Ramesh chooses a date at random in January for a party.
| January |
| Mon | | 6 | 13 | 20 | 27 |
| Tue | | 7 | 14 | 21 | 28 |
| Wed | 1 | 8 | 15 | 22 | 29 |
| Thurs | 2 | 9 | 16 | 23 | 30 |
| Fri | 3 | 10 | 17 | 24 | 31 |
| Sat | 4 | 11 | 18 | 25 | |
| Sun | 5 | 12 | 19 | 26 | |
Find the probability that he chooses:
(i) a Wednesday.
(ii) a Friday
(iii) a Tuesday or a Saturday
