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

Multiple Choice

If x,the time (in minutes) to complete an oil 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 25 to 28 minutes,inclusively,i.e. ,P(25 $\le$ x $\le$ 28) is ___.

A) 0.250
B) 0.500
C) 0.300
D) 0.750
E) 81.000