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

question 46

Multiple Choice

If x, the time (in minutes) to complete an change job at 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