If 10 cars are parked a row, then what  is the probability that there are exactly 5 cars between 2 particular cars Option 1) Option 2) Option 3) Option 4)

Probability of occurrence of an event -

Let S be the sample space then the probability of occurrence of an event E is denoted by P(E) and it is defined as

- wherein

Where n repeated experiment and E occurs r times.

Since 2 cars are fix so there are eight places. and they can arranged by 8! Now these two cars also changed by eight places [4X2=8] so that chance 8X8!

So required probability

Option 1)

This option is incorrect

Option 2)

This option is incorrect

Option 3)

This option is correct

Option 4)

This option is incorrect

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