# A pair of dice is rolled again and again till a total of 5 or 7 is obtained. The chance(probability) that a total of 5 comes before a total of 7 is? Option 1) Option 2) Option 3) Option 4) None of these

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.

Option 1)

This option is correct

Option 2)

This option is incorrect

Option 3)

This option is incorrect

Option 4)

None of these

This option is incorrect

## Similar Questions

### Preparation Products

##### Knockout BITSAT 2021

It is an exhaustive preparation module made exclusively for cracking BITSAT..

₹ 4999/- ₹ 2999/-