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?
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