Write down twenty math problems related to this topic on a page. P A No. Of possible outcomes Another example is the rolling of dice.
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You also need to keep track of timing. S HTHHTHTT Let E be the event two heads are obtained. PA or B PA PB PA and B The probability of A or B equals the probability of A plus the probability of B minus the probability of A and B Here is the same formula but using and. ProbabilityA and B probabilityA probabilityB Lets use this formula to find the probability of getting 2 heads when two coins are tossed.