Question: Statistics and probability for engineering Question 2 10 pts The probability mass function of a discrete random variable X is defined as p(x) = ax

Statistics and probability for engineering

Question 2 10 pts The probability mass function of a discrete random variable X is defined as p(x) = ax for x = 1, 2, 4, 8, and p(x) = 0.25 for x = 5 (p(x) =0 for all other values). What is the value of a? O 1/10 O 1/15 O 1/20 O 1/4

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