10 9
8
7
.
6
o
5
4
3
3
2.
19
X
1
2
3
4.
5
6
7
8
9
10

Arectangle has a perimeter of 20 cm. the length, x cm, of one side of this rectangle is uniformly distributed between 1 cm and 7 cm. find the probability that the length of the longer side of the rectangle is more than 6 cm long.