A travel company has 100 drivers for driving buses to various tourists destinations. Given below is a table showing the resting time of the drivers after covering a certain distance (in km). Distance (in km) After 75 km After 115 km After 150 km After 200 km No. of drivers 13 47 30 10 What is the probability that the driver chosen at random : A) takes a halt after covering 80 km b) takes a halt after covering 115 km C) Takes a halt after covering 155 km. D) Takes a halt after crossing 200 km.
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Solution:-
Total number of drivers = 100
(a) P (Takes a halt after covering 80 km) = 13/100
(b) P (Takes a halt after covering 115 km) = 60/100
= 3/5
(c) P (Takes a halt after covering 155 km) = 90/100
= 9/10
(d) P (Takes a halt after covering 200 km) = 10/100
= 1/10
Answer.
Total number of drivers = 100
(a) P (Takes a halt after covering 80 km) = 13/100
(b) P (Takes a halt after covering 115 km) = 60/100
= 3/5
(c) P (Takes a halt after covering 155 km) = 90/100
= 9/10
(d) P (Takes a halt after covering 200 km) = 10/100
= 1/10
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