A probability density function for the random variable X is given by Pi = k()", where k is a constant. What value must k be if X takes on integer values between 1 and n? Hint: ² if 0 < x < 1 O a. k= O b. k= O C. k = O d. k= O e. k= ¹-(²) (+) 1- ģ 1-(²) 1-(²) 1-r

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