If X, the Time (In Minutes)to Complete an Change Job $\le$

If x, the time (in minutes) to complete an change job at a certain auto service station, is uniformly distributed over the interval 20 to 30, inclusively (20 $\le$ x $\le$ 30) , then the probability that an oil change job is completed in 21.75 to 24.25 minutes, inclusively, i.e., P(21.75 $\le$ x $\le$ 24.25) is ___.

A) 0.250
B) 0.333
C) 0.375
D) 0.000
E) 1.000