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1. The probability of getting an even number at least once will be 1/4.

   What is probability called?

   The ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes.

   It is given that a fair dice is rolled twice. The probability of getting an even number at least once will be calculated as:-

   Number of favorable outcomes = { 2 , 4 , 6 } = 3

   It is rolled two times total favorable outcomes = 3 x 3 = 9

   Number of samples = 6 x 6 = 36

   The probability will be calculated as:-

   Probability = Number of favorable outcomes / Number of sample

   Probability = 9 / 36

   Probability =  1 / 4

   Therefore, the probability of getting an even number at least once will be 1/4.

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