Out of three bags that each contains 10 marbles :
What is the Probability of choosing a red marble?
As we learned
The law of Total Probability -
Let S be the sample space and E1, E2, ......En be n mutually exclusive and exhaustive events associated with a random experiment.
- wherein
where A is any event which occurs with E1, E2, E3......En.
Thus
Option 1)
Option 2)
Option 3)
Option 4)
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