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Question

When a dice is rolled , what is the probability of getting :
a ) an even number
b ) an even prime number
c ) multiple of 5
( With all steps and formulas )

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Solution

When a dice is rolled, then possible outcomes are :1, 2, 3, 4, 5, 6Total number of possible outcomes = 6a.The even numbers are : 2, 4 and 6Number of favourable outcomes = 3So, Pgetting an even number = Number of favourable outcomesTotal number of possible outcomes = 36 = 12b.Th even prime number is 2.Number of favourable outcomes = 1So, Pgetting an even prime number = Number of favourable outcomesTotal number of possible outcomes = 16c.The multiples of 5 are :5Number of favourable outcomes = 1So, Pgetting multiples of 5 = Number of favourable outcomesTotal number of possible outcomes = 16

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