An unbiased die is thrown. What is the probability of getting: a number between 3 and 6.
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In a single throw of a die we can get any one of the six numbers 1, 2, ..., 6 marked on its six faces. Therefore, the total number of elementary events associated with the random experiment of throwing a die is 6. The event "Getting a number between 3 and 6" occurs if we obtain either 4 or 5 as an outcome. ∴ Favourable number of outcomes = 2. Hence, required probability = 62=31.