SUPPOSE THAT A CERTAIN SECTION OF SRP WITH A POSTED SPEED LIMIT OF 65 KPH, THE SPEEDS OF ALL VEHICLES HAVE A BELL-SHAPED DISTRIBUTION WITH A MEAN OF 72 KPH AND A STANDARD DEVIATION OF 3 KPH. A. USING THE EMIRICAL RULE, FIND THE PERCENTAGE OF VEHICLES WITH THE FOLLOWING SPEEDS ON THIS SECTION OF SRP. I. 63 TO 81 KPH II. 69 TO 75 KPH B. USING THE EMPIRICAL RULE, FIND THE INTERVAL THAT CONTAINS THE SPEEDS OF 95% OF VEHICLES TRAVELLING ON THIS SECTION OF SRP.

asked by guest
on Nov 22, 2024 at 6:33 pm



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