At a particular university, all classes start on the hour, with the earliest start time at 7 a. m. and the latest start time at 8 p. m. A random sample of freshmen showed the percentages of freshman preferring the listed start times. Find the probability that a freshman at this university would prefer an afternoon class time (class time starting at 12 noon to 4 p. m.).

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step-by-step explanation:

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the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

i need more details

step-by-step explanation: