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

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Definitions:

Posterior Fontanel

The junction where the two parietal bones and the occipital bone meet on the skull of a newborn, typically closing by 2 months of age.

Anterior Fontanel

The soft spot on the top of a baby's head where the skull bones have yet to fuse.

Sagittal Suture

The fibrous connective tissue joint between the two parietal bones of the skull, running anteroposteriorly from the fontanelle to the occiput.

Anterior Cruciate Ligament

A key ligament located in the knee joint that connects the thigh bone (femur) to the shin bone (tibia), helping to stabilize the knee.