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When a die is rolled twice, if the event of getting an even number is denoted by a success and the number of successes as a random variable, then distribution and mean of the variate are

Maths-General

  1. table row 0 1 2 3 row cell 1 divided by 4 end cell cell 1 divided by 4 end cell cell 1 divided by 4 end cell cell 1 divided by 4 end cell end table comma mu equals 1    
  2. table row 0 1 2 row cell 1 divided by 2 end cell cell 1 divided by 3 end cell cell 1 divided by 4 end cell end table comma mu equals 3    
  3. table attributes columnalign left end attributes row 0 1 2 row cell 1 divided by 3 end cell cell 1 divided by 2 end cell cell 1 divided by 4 end cell end table comma mu equals 2    
  4. table row 0 1 2 row cell 1 divided by 4 end cell cell 1 divided by 2 end cell cell 1 divided by 4 end cell end table comma mu equals 1    

    Answer:The correct answer is: table attributes columnalign left end attributes row 0 1 2 row cell 1 divided by 3 end cell cell 1 divided by 2 end cell cell 1 divided by 4 end cell end table comma mu equals 2

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