Q9. 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.
This activity can be taken as a general problem:
Assumption:
Let the frequency of two-wheelers = x
Let the frequency of three-wheelers = y
Let the frequency of four-wheelers = z
Total no. of vehicles= x+y+z
therefore,
P(anyone vehicle out of the total vehicles I have observed is a two-wheeler) =