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

question 76

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

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