9. Activity: Note the frequency of two-wheelers, three-wheelers and four-wheelers
going past during a time interval in front of your school gate. Find the probability
that any one vehicle out of the total vehicles you have observed is a two-wheeler
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Answer:
Lets assume a case:
Number of 2 wheelers passed =18
Number of 3 wheelers passed =23
Number of 4 wheelers passed =19
The time interval is 15 minutes for all the 3 conditions.
Total number of vehicles passed = Number of 2 wheelers + Number of 3 wheelers + Number of 4 wheelers
=18+23+19=60
Probability that one vehicle out of total vehicles is 2 wheelers =
60
18
=
10
3
hope it helps you
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