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  • 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.

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.

Answers (1)

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) = 

\frac{x}{x+y+z}

 

 

Posted by

Amit Singh

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