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BITSAT2011MathematicsProbabilityActual

A die is loaded such that the probability of throwing the number (i ) is proportional to its reciprocal. The probability that 3 appears in a single throw is-

Options

  1. A(3 / 22 )
  2. B(3 / 11 )
  3. C(9 / 22 )
  4. DNone of these

Correct answer

D. None of these

Step-by-step solution

( aligned & P ( i )= k i 1 = _ i =1 ^6 P ( i )= k _ i =1 ^6 1 i = k 49 20 & k = 20 49 . P (3)= 20 147 aligned )

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