Suppose the Number of Parking Spots at Urban Grocery Stores $\le$

Multiple Choice

Suppose the number of parking spots at urban grocery stores is uniformly distributed over the interval 90 to 140, inclusively (90 $\le$ x $\le$ 140) , then the height of this distribution, f(x) , is __________________.

A) 1/90
B) 1/50
C) 1/140
D) 1/200
E) 1/500