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In a study of 1500 vehicles crossing a toll plaza near Surat, the data was:
Cars: 600
Trucks: 450
Buses: 150
Two-wheelers: the rest
A vehicle is chosen at random. Find the empirical probability that it is either a truck or a bus, then state how many of the next 4000 vehicles are expected to be trucks or buses.

Class 9Probability from DataStatistics
  • A1440
  • B3200
  • C1760
  • D1600

Step-by-Step Solution

Truck or bus = 450 + 150 = 600. . Expected in .
Answer: D) 1600

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