Category: Probability

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THE LAW OF TOTAL PROBABILITY

Let E1, E2, E3, …………. En mutually exclusive and exhaustive events and A is dependent event occurs after E1, E2, E3, …………. En. Probability of event A By multiplication theorem . Where stands for probability of event A, if it is given that event already occurs.     Example 1:  A bag contains 4 red […]

BAYE’S THEOREM

Let E1, E2, E3, …………. En mutually exclusive and exhaustive events and A is the event occurs after E1, E2, E3, …………. En. By multiplication theorem,   , where i = 1, 2, 3, … n Example 1: A man is known to speak truth 3 out of 4 times. He throws a die and […]