Q2.The probability mass function of a discrete random variable X is given by the table. Find the value of b such that E(X)=2.5. Enter the answer correct to one decimal place.
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Q2
26 Oct 2025
Q2.The probability mass function of a discrete random variable X is given by the table. Find the value of b such that E(X)=2.5. Enter the answer correct to one decimal place.
