Problem 3: Your beloved friend is leaving on a jet plane (and you do not know when he/she will be back again). As the plane flies forward at 300mi/h at a steady altitude of 4000ft above your head, your eyes are fixed on the plane, with your head thus turning as the plane and your friend gain more distance away from you. By the time the plane is 8000ft away from you (actually your head), how fast is its angle of elevation at your eyes shrinking? (Note: 1mi = 5280 ft)

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Q: No it's not for a grade.

A:

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A: The normal distribution is a continuous distribution.

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