Question 1133052
all contain tomatoes
(7/12)(6/11)(5/10)(4/9)(3/8)=2520/95040
or 7C5/12C5
=0.0265

5 or more
6 would be the above (not rounded)*2/7=0.0076
7 would be that*1/6=0.0013
That sum is 0.0354

Exactly 3 is 10 (5C3)(7/12)(6/11)(5/10)(5/9)(4/8)=0.4419
or 7C3*5C2/12C5