The discrete random variable X takes values 1,2 and 4 with probabilities P(X=1)=0.5,P(X=2)=0.3,
and P(X=4)=0.2. What is E(X), the expected value of X? 1.5 1.3 None of the listed values 1.9 1.7.
APM Welcome, APM North West Network Conference, Synergies Across Sectors
The discrete random variable X takes values 12 and 4 with p.pdf
1. The discrete random variable X takes values 1,2 and 4 with probabilities P(X=1)=0.5,P(X=2)=0.3,
and P(X=4)=0.2. What is E(X), the expected value of X? 1.5 1.3 None of the listed values 1.9 1.7