AP EAMCET201724 Apr 2017Evening ShiftMathematicsProbabilityActual
If the probability function of a random variable X is given by P( X =k)= 3^ c k k ! for k=1,2,3, (where c is a constant), then c=
Options
- A1 2 ₃ ( _e 2 )
- B1 2 ₂ ( _e 3 )
- C₃ ( _e 2 )
- D₂ ( _e 3 )
Correct answer
C. ₃ ( _e 2 )
Step-by-step solution
No solution. Refer to answer key.